In Japan the keiretsu were regulated by specific laws, and they were structured in such a way that cooperation between them was almost compulsory.

日本的集团公司有特定的规范制度，他们由这么一种方式构成，那就是其内部公司的合作几乎是强制性的。

youdao

It seems clear that such a scheme is an initiative push toward what would eventually be a compulsory of Internet "driver's license" mentality.

该计划看来明显是一个最初的推断，最终将形成一种英特网强制性“驾驶执照”的心态。

youdao

In principle, such a compulsory age is discriminatory, but the European directive allows countries to set a national retirement age.

ECONOMIST: Age discrimination

The ONS is looking at other methods of counting the population, such as a compulsory register of addresses.

BBC: Census 'should be scrapped now'

Until such ideas win more support, advocates of busing in Charlotte fear that a court ruling ending compulsory busing would toss aside years of desegregation efforts, and inner-city schools would become jammed with poor children, most of them black.

ECONOMIST: Integration (1)