例如，他清楚地知道一家用于避税的国际网络皮包公司，如果他跟进这个案件将会使得他的工作队伍四处分散而力量薄弱。

Of an international web of dummy companies used for tax evasion, but going after it would spread his team too thin.

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为此，需要加强城市交通规划基础研究、人才培养、法律法规、国际交流和典型个案研究等工作。

It is thus recommended that more attention be given to basic research, education, regulations and legislation, international exchanges and case studies in urban transportation planning.

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