打电话叫有职业资格证的水管工人来修就意味着一笔昂贵的小时费，但是，管道工程的科学其实是很直观的，而且大多数问题的解决办法都比你想象的简单。
A call to a licensed plumber can mean an expensive hourly fee, but the science of plumbing is fairly straightforward, and most problems are simpler to solve than you might think.
我的父亲是一个工程师，但是不得不去当一名水管工人，并且每天早上5点就开始工作去卸载卡车。
My father, who is an engineer, was reduced to working as a plumber, while I began each day at 5 a. m. unloading trucks.
我的父亲是一个工程师，但是不得不去当一名水管工人，并且每天早上5点就开始工作去卸载卡车。
My father, who is an engineer, was reduced to working as a plumber, while I began each day at 5 a. m. unloading trucks.
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