蒸汽的高成本、加上货运对速度的低需求，使得世界上大多数的海运货物都是通过帆船来运输的，直到20世纪初，这一状况才有所改变。
The high cost of steam and the lesser need for speed kept the majority of the world's ocean freight moving by sail until the early years of the 20th century.
低需求、不确定性、通胀不足限制了工资的增长。
Low demand, wide uncertainty, and scant inflation is putting a lid on salaries.
是“循环的”低需求问题——更多的钱就可以解决？
Is it "cyclical," a problem of low demand, which more money could solve?
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