Listing 5 is another for/in after compiler transformation, this time without a genericized type.

清单 5 是另外一个经过编译器转换之后的 for/in，这次没有通用化类型。

youdao

It is a pipe dream to think that manufacturing jobs will come back to the USA. Our labor force is simply too expensive (and really too skilled) to produce high-volume, low-end (genericized) items.

FORBES: Innovation Ain't So Easy Mr. President - Think Google, Not GE