But the supply constraints faced by employers are more rigid.
不过雇主面临的人才供求更加严峻。
How many more iPhones could you have sold if you didn't have supply constraints?
如果没有供应限制,你还能售出多少部iPhone手机。
Supply constraints were part of the bullish argument for commodities earlier this decade.
在这个年代初期,供应限制曾在一定程度上意味着大宗商品牛市。
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