moral duty

漢語翻譯

例句：

1. On an occasion of this kind it become more than a moral duty to speak one's mind; it become a pleasure.
   趁這樣的機會直抒己見，其意義超過了道德上的義務，而成為一種樂趣。
2. On an occasion of this kind it becomes more than a moral duty to speak one's mind; it becomes a pleasure.
   趁這樣的機會直抒已見，其意義超過了道德上了義務，而成為一種樂趣。