The weather in my country is mild,____ it is not always pleasant.怎么填?

问题描述:

The weather in my country is mild,____ it is not always pleasant.怎么填?
因为没有分数所以就没有悬赏了,抱歉抱歉.

因为mild是温暖的,后面说不常常是好天气,所以这里是转折.要填but
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