他们受雇于工厂，厂房及类似机构的维修部门，也可受雇于水暖承包商，或者他们可能是自营企业。

They are employed in maintenance departments of factories, plants and similar establishments, by plumbing contractors, or they may be self-employed.

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但是设立上限照样会使花旗、美洲银行这样的大企业毫发无伤，并且官方对自营的定义也是含糊不清。

But the cap proposed would allow giants like Citigroup and Bank of America to remain intact, and the official definition of proprietary trading remains vague.

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留存收益的余额是企业自营业开始以来的累计净收益减去已宣告股利和任何净损失后的差额。

Retained Earnings carries the balance of the business's net in - come accumulated over its lifetime, less its declared dividends and any net losses.

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