有两面的

On both slopes of the roof there are broken tiles.

屋顶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.

无论哪种文化都有好坏两面，我需要做别出他，利用好，不好。