过了一阵子，他们有了空调，冲水马桶和电动扶梯，工程师成了很受欢迎的家伙。
After a while, they've got air conditioning and flush toilets and escalators, and the engineer is a pretty popular guy.
过了一阵子，他们有了空调，冲水马桶和电动扶梯，工程师成了很受欢迎的家伙。
After a while, they've got air conditioning and flush toilets and escalators, and the engineer is a pretty popular guy.
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