There is, however, a problem with this theory: it relies on circumstantial evidence.

这种说法有一个漏洞：它是建立在旁证的基础之上的。

youdao

There is, however, a problem with this theory: it relies on circumstantial evidence.

这种说法有一个漏洞：它是建立在旁证的基础之上的。

youdao