you must have found the sentence

来源: 于 2013-08-04 13:19:47 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次
on a Chinese website.
To learn english one needs to pay attention to both syntax and sematics. Otherwise he or she will never earn a perfect score on the grammar section of an English test such as TOEFL.