random set

例句：

1. 1. The results were random, sowe can't be sure of theoutcome.
   结果随机，我们无法确定结果。
2. 2.He decided to take a random route homefrom work.
   他决定下班后随机选择一条回家的路。
3. 3. The lottery is a formof random chance, where the winner ischosen at random.
   彩票是一种随机机会的形式，中奖者是随机选出的。