2007.11.19 : Drop in whenever you come to see your parents.
你来看望父母时顺便来我这里坐坐。
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动词词组drop in，顺便或偶然到访（某人或某地）。
例句：
She dropped in to see a great friend of hers.
她顺便去看看她的一个好朋友。
While waiting for the bus, he found himself in front of a small shop; he dropped in to buy some chewing gum.
等公共汽车的时候，他发现面前有个小店，就顺便进去买了些口香糖。
海纳百川，有容乃大；壁立千仞，无欲则刚。