fact和in fact的区别|in the

区别就是两者意思上是不一样的。

in the fact=在事实里eg. in the fact of that case=在那件案子里的事实in fact=其实eg. in fact i've never liked you=其实，是我从没喜欢过你

The secret of her success may lie in the fact that she doesn't like repetition.

而她之所以这么成功的秘诀就在于：她决不重复同一风格。