If you are in the domestic life of poor white collar, to the United States you will feel a serious gap.

如果你在国内生活不差的白领阶级，到了美国你会感到严重的落差。

youdao

Yet the gender pay gap is largest in higher-paying white-collar jobs.

然而，在高薪白领工作中，因性别导致的工资差距也是最大的。

youdao

So the means cannot control leak the material, then possibly is the graphite pad or the copper collar wears (for example seal face not to be smooth seriously, gap big).

如此办法不能控制漏料，则可能是石墨垫或铜环磨损较严重(如密封端面不光滑，间隙大)。

youdao

The children of Afro-Caribbean and Indian immigrants have completely closed the earnings gap with whites, in both professional and blue-collar work.

ECONOMIST: Race discrimination