drug 的本义是“麻醉药品”，而麻醉药品是不能在市场上公开出售的，因此该词常常用来指“滞销货”。
A: The things my son bought home were usually a drug on the market for adults. 我儿子买回来的东西在咱们眼里都是卖不出去的。
B: That’s not abnormal for a youngster. Young people all seems to be crazy about such things. 这对年轻来说没什么不正常的。年轻人看起来对这些东西都非常感兴趣。
A: The real problem is that he’s suing my money for them. 问题是他那我的钱去买的呀。
B: He’s your son, after all. Who else’s money do you suppose him to use? 他毕竟是你的儿子呀。你想让他拿谁的钱去买呢