有两面的

On both slopes of the roof there are broken tiles.

屋顶的两面斜面都有破瓦片。

There are strengths and weaknesses to every culture, and our job is to decern between them, make use of the good ones, and discard the bad.

无论是哪种文化都有好坏两面，我需要做的就是辨别出他，利用好的，摒弃不好的。