因此，清单13中的代码从事务角度来说毫无用处；尽管看上去它使用事务来维护原子性和一致性，但事实上并没有。

Therefore, the code in Listing 13 is useless from a transaction standpoint; although it appears that it USES transactions to maintain atomicity and consistency, in fact it does not.

youdao

事实上，根据俄克拉荷马州大学教授米歇尔·蒙佛德的说法，人们经常用来激发创造力的方法中，有一半是无用的，有的甚至产生相反效果。

In fact, according to University of Oklahoma professor Michael Mumford, half of the commonly used techniques intended to spur creativity don't work, or even have a negative impact.

youdao

只有事实却不知造成事实的原因是无用的。

Facts alone are useless without a reason to know them.

youdao