1·Everybody has his own merits and demerits. One should never think that he is perfect while others are all good for nothing.
每个人都有自己的优点和缺点，不要把别人都看成百无一是，把自己看成十全十美。
—— 《新英汉大辞典》
2·They should know their merits and demerits and their choices must give play to their strengths whilst circumvent weaknesses.
他们应该知道自己的长处和短处，做出的选择要扬长避短。
3·That is to say, they should know their merits and demerits and their choices must give play to their strengths whilst circumvent weaknesses.
也就是说，要知道自己的长处和短处，做出的选择要扬长避短。
4·Everybody has merits and demerits.
人人都有优缺点。
5·Each has its own merits and demerits.
它们各有特点，也都存在不足。
6·But merits and demerits usually come together.
但是优缺点总是并存的。
7·They discussed the merits and demerits of her novel.
他们讨论了她的小说的优缺点。
8·What's more, each college has its merits and demerits.
更重要的是，每个学校都有其优点和缺点。
9·Both males and females have their merits and demerits.
男性和女性有他们的优点和记过。
10·You can judge of its merits and demerits for yourself.
你可以自己判断它的优劣。