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，这一点在WPS下载最新地址中也有详细论述
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alsactl (1.2.15.2)
"name": "Enhance",
Immigration boosts innovation and wages in the US. The positive dynamic impact of immigration on innovation and wages dominates the short-run negative impact of increased labor supply. Increased immigration to the US since 1965 is estimated to have increased innovation and wages by 5%.
· 胡波 · 来源：tutorial资讯