The primary rules of obligation are those that require or forbid certain actions.
主要的义务规则是那些要求或禁止某些行为的规则。
The act of writing is an act of hope.
The past is a foreign country; they do things differently there.
La vie est un sommeil, l'amour en est le rêve.
如果你对我不好,我就会写一首关于你的歌,而且对你来说不会是什么好歌。