Simple, "been there, done that" code had very few reviewers — sometimes only the team lead.

简单的说，代码有很少的评审人员—有时仅仅是团队领导。

youdao

A phase I trial usually enrolls only a small number of patients, sometimes as few as a dozen.

一个一期试验通常只招募很小数量的病人，有时候只有十几个。

youdao

Sometimes a process may only take a few seconds.

有时候一个进程可能只需要几秒钟。

youdao

Sometimes only a few percent might go astray.

BBC: Is pigeon racing cruel?

At first I moved around a lot, sometimes every day, sleeping only a few hours at a time.

CNN: Life in the Wild