first do not harm
首先不伤害
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The upgrade should not reintroduce any previously fixed bugs (first, do no harm).
升级不应该再次引入以前修复的任何 bug（也就是说，首先不能导致损害）。
youdao
Markel does point out that the phrase "first, do no harm" does not appear in the Hippocratic Oath, but says the spirit of a physician's profession remains straightforward.
NPR: A Doctor's Professional Life vs. Personal Pursuits
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