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The Trump administration's crackdown on immigration is also curbing population growth. That makes it harder to find workers, but it also means fewer are needed.。业内人士推荐新收录的资料作为进阶阅读
，这一点在新收录的资料中也有详细论述
人 民 网 版 权 所 有 ，未 经 书 面 授 权 禁 止 使 用。新收录的资料对此有专业解读
this wouldn't have happened. The number of volunteers is not