youdao

Note that the effective set is empty.

注意，有效位是空的。

youdao

The effective set must always be a subset of the permitted set.

有效集必须是允许集的子集。

youdao

Part of the reason why I'm endorsing this market stability regulator is that there's no way we can set up a system that is both very effective in allocating resources and that is also very stable.

我赞成市场稳定性监控者,的部分原因是,没有方法建立一个,既能完全有效配置资源有非常稳定,的系统。

耶鲁公开课 - 金融市场课程节选

Whichever way it is done, creating an effective set of rules to contain the cost of health care will be neither easy nor popular.

ECONOMIST: The NHS

To be effective, a new set of institutions would have to be imbued with heavy-handed, transnational enforcement powers.

FORBES: The Simple Solution to Climate Change: Hint, It Isn't World Government

As a final result, the project will develop a global "Framework of Action" (FA), consisting of a set of effective governance tools (policies, laws, regulations and customary practices).

UNESCO: Reversing the global water crisis through sound groundwater governance | United Nations Educational, Scientific and Cultural Organization