The European Union was built by a process of piecemeal social engineering: indeed it is probably the most successful feat of social engineering in history.

欧盟的建立是通过一个零碎的社会工程完成的：事实上这可能是历史上最成功的社会工程创举。

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This process could result in a piecemeal assemblage of potentially incompatible parts of dubious reliability in an untested reactor of questionable technology with no operational track record.

ECONOMIST: Letters

In short, instead of paying tens of thousands of dollars for a donor to undergo the egg-stimulation process, you can buy her eggs piecemeal for a couple of thousand dollars each.

WSJ: Why I Froze My Eggs (And You Should, Too)