Women's labor force participation has slipped back to the level it was at in the late 1980s.
女性的劳动参与度已回落至20世纪80年代末的水平。
2
They had some labor problems, so your order will be shipped late.
他们有一些人工的问题，所以你的订单将会延迟发货。
3
In the mid-19th century, the rural labor force to the total U.S. labor force accounted for 63%, to the late 19th century, the United States has achieved industrialization.