in turn,轮流,依次;例句:We will examine each of these methods in turn. 我们将按照顺序依次分析这些方法。in return , 作为报答; 反过来; 例句:I'll sell at a discount in return for a speedy sale. 为了尽快售出,我会打折销售。
in turn轮流,依次in return作为回报