1.according to 通过

例句:Prices vary according to the quantity ordered.
价格随订购数量不同而有所变化。

2.rely on 依靠；依赖

例句:We don't rely on blessings from Heaven.
我们不靠老天保佑。

3.gig economy 零工经济

例句:Go back to the 18th century and you would find a place like London was one big gig economy.
回到18世纪，你会发现像伦敦这样的地方就存在大规模的零工经济。

4.labour force 劳动力

例句:The mix of the labour force has also changed.
劳动力的人口构成也发生了变化。