1·It's an important subject, but I'm not in the mood for anything depressing.
这是一个重要的话题，但我没有心情做任何令人沮丧的事情。
2·There is an inclination to treat geography as a less important subject.
有一种趋向认为地理是一门次要的学科。
—— 《牛津词典》
3·Starting from this year, science will become an important subject as Chinese and math in primary schools in order to improve students' knowledge about the things around us.
从今年开始，科学将成为和小学语文和数学一样重要的科目，以提高学生对周围事物的认识。
4·It is the most important subject.
这是最重要的课程。
5·A book is on an important subject.
一本书是讲一个重要的问题。
6·He thinks maths an important subject.
他认为数学是一门重要的学科。
7·This book deals with an important subject.
本书论述了一个重要问题。
8·It should be said that English is an important subject.
应该说，英语是一门重要的科目。
9·In fact, for me, perhaps the most important subject there is.
实际上，对我而言，或许是存在的最重要的主题。
10·Today I want to talk to you about a very important subject.
今天我将和你们谈一个非常重要的话题。