errand
n. 差事，跑腿；<古>使命，任务
复数 errands
例句
He ran off to the village on his errand of mercy.
他跑向村子去执行他的仁慈使命。
They can view a list of errands that match their interest profile, and, by entering a price, can bid to perform the errand.
他们可以查看与他们的兴趣简档匹配的差事列表，并且，通过输入价格，可以为执行差事投标。
He sent me on a fool's errand.
他派我去干白费力的事。
《牛津词典》
