The regulations are always changing, as they differ from place to place.
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，这一点在51吃瓜中也有详细论述
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Even the Penn-Wharton study added a caveat to its finding that deportations might raise low-skilled wages: High-skilled workers, who make up nearly two-thirds of the U.S. workforce, would likely see their own wages decline because they rely on low-skilled labor to maximize their productivity, according to its analysis.
这组数据意义重大。它意味着有一批成熟的、追求深度体验的消费者正在崛起。也有一批真正成熟的邮轮玩家，已经在用真金白银为“诗与远方”投票了。