These include protecting natural areas and limiting the amount of chemicals in building materials.

这些措施包括保护自然区，并限制建筑材料中的化学品含量。

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The report says China was protecting its domestic manufacturers, by limiting exports of raw materials used in the steel, aluminum and chemical industries.

该报告称，中国通过限制钢铁、铝和化工等行业原材料的出口来保护国内制造商。

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Individual transferable quotas — a means of protecting a fishery and the income derived from it by limiting the number of fish caught.

个体可转换定额——意图保护渔场以及限制捕鱼数量的收入所得。

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He provides much evidence that the balance of occupational licensing has shifted away from protecting consumers and toward limiting the supply of workers in various professions.

FORBES: A Use For The Commerce Clause: Increasing US Labour Mobility Through Occupational Licensing

From fighting terrorism and drug trafficking to limiting the proliferation of weapons of mass destruction, to protecting the global environment, we stand to gain from working with other nations, and we will surely lose if we fail to do so.

CNN: Bill Clinton Speaks To A Meeting Of Newspaper Editors