They don't, out of whole cloth, get it right the first time.

他们并不是一次性就从整块布料中，把这个程序提取出来的。

麻省理工公开课 - 计算机科学及编程导论课程节选

because you can get it all in one space which is really nice.

可以一次性买到你想买的所有东西，这一点很不错。

购物的天堂 - SpeakingMax英语口语达人

In this way, by knowing what communities it's in and acting on all of them at once you might be able to eradicate polio in the same way that we eradicated smallpox.

因此,通过知晓疾病的所在群体,并且一次性对整个群体做免疫尝试,也许那就可以像根除天花那样,根除小儿麻痹症

耶鲁公开课 - 生物医学工程探索课程节选