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[Cartoon by Zhao Naiyu/Xinhua]?

BEIJING - Xi Jinping, general secretary of the Communist Party of China (CPC) Central Committee, used very powerful and vivid language at a high-profile meeting Tuesday to show his resolve to fight corruption.

Xi said the Party should crack down on "tigers" and "flies" at the same time by dealing with illegal activities of officials and tackling malpractices and corruption cases, which closely impact the people, at a plenary meeting of the CPC's Central Commission for Discipline Inspection (CCDI).

Certain cases have supported Xi's remarks. Among the falling "tigers" investigated shortly after the 18th national congress of the Party were Li Chuncheng, former deputy secretary of the CPC Sichuan Provincial Committee, and Yi Junqing, former director of the Central Compilation and Translation Bureau of the CPC Central Committee. Both were ministerial officials.

Li was suspected of "serious discipline violations" and Yi's downfall was a result of "improper life style." They were the most senior officials to be sent packing in a recent bout of sackings related to graft charges.

Meanwhile, a string of local officials have fallen due to corruption scandals recently, including "Brother Watch" Yang Dacai, a department-level official in northwest China's Shaanxi Province, who was found to have a suspiciously expensive watch collection and a large amount of undeclared bank savings.

Another official in the limelight was "Uncle House" Cai Bin, an urban management official in the southern city of Guangzhou's Panyu district, whose family was reported to own 22 properties.

Thanks to hardworking online muckrakers who used China's popular social networking websites to reveal officials' scandalous behaviors, the "Brother Watch" and "Uncle House" cases triggered a public war against graft.

Yet compared with Internet disclosure, the ruling Party's own restraint on power use plays a more important role in curbing corruption.

On Tuesday, Xi ordered enhanced restraint and supervision over the use of power. He said, "Power should be restricted by the cage of regulations."

He also asked for efforts to strengthen national anti-corruption legislation and relevant intra-Party regulations to ensure national organs exercise their power within the boundary of laws.

Some local governments have kicked off reforms to enhance restraint and supervision of power use.

A district in a south China mega-city will be among the first to pilot a scheme requiring officials to disclose their assets and make them known amid increasing public outcry against corruption.

The Nansha New District of Guangzhou, capital of Guangdong Province, will introduce a trial system of such nature after the Spring Festival, which falls on February 10 this year, to increase the transparency of the financial status of government officials, the local authorities announced.

With the rapid increase of social wealth after more than three decades of reform and opening up, the CPC's ruling resources have been far more abundant than before. To such a backdrop, whether officials are clean and honest, is not only pertinent to the Party's working style, but the distribution of public resources and social justice and fairness. The anger amid ordinary Chinese at "Brother Watch" or "Uncle House" have proved this.

How can clean and honest governance can be realized? It hinges on the restraint of power, just as Xi said, "Power should be restricted by the cage of regulations."

Merely depending on digging corrupt scandals one after another can not entirely eliminate the soil which breeds corruption. The fight against corruption not only needs to handle individual corrupt cases, but, more importantly, needs anti-corruption institutional construction to make officials not dare to, are not able to and can not easily commit corruption.