✔ 最佳答案
elleryqueen_c 您好 ~~~
大大可以參考一下以下的網址︰
http://hk.knowledge.yahoo.com/question/question?qid=7009020502364
Every coin has two sides. (和您所問的問題 a coin has two sides 是一樣的~)
中文意思︰有正必有反。
其他類似的諺語(同義句子)︰
‧Every cloud has a silver lining. (困難中總會有出路)
‧Every rose has its thorns. (大好形勢中有隠憂)
希望可以幫到您 ~~~~~