Politicians agree, in principle, so America and the EU have been trying to reach a deal which would eliminate the need to double-test many products.

政治家在原则上同意了， 因此，美国和欧洲一直在寻求达成协议，以便为许多产品取消双重检查。

One of the major functions of the urinary system is the process of excretion, which is the process of eliminating waste products of metabolism and other materials that are of no use.

泌尿系统的主要功能之一是排泄过程，即排除代谢废物和其他无用物质的过程。