1. There is no doubt that our educational system leaves something to be desired.
毫无疑问，我们的教育制度令人不满意。
2. An advantage of using the solar energy is that it won't create any pollution.
使用太阳能的优点是它不会产生任何污染。
3. The reason why we have to grow trees is that they can supply fresh air for us.
我们必须种树的原因是它们能供应我们新鲜的空气。
4. So precious is time that we can't afford to waste it.
时间是如此珍贵，我们不能浪费它。
5. Rich as our country is, the qualities of our living are by no means satisfactory.
虽然我们的国家很富有，但是我们的生活质量却令人很不满意。
6. The harder you work, the more progress you make.
你越努力，你越进步。
7. The more books we read, the more learned we become.
我们书读得越多，我们越有学问。
8. To average people, they often tend to live under the illusion that English often means a good opportunity for one's career, is this really the case?
对于一般人来说，他们常常以为掌握英语就意味着一份好的工作，然而这是真的吗?
9. By taking exercise, we can always stay healthy.
通过体育锻炼，我们能够始终保持健康。
10. Listening to music enables us to feel relaxed.
听音乐能使我们放松。
11. On no account can we ignore the value of knowledge.
我们绝对不能忽视知识的价值。
12. It is time the authorities concerned took proper steps to solve the traffic problems.
该是有关当局采取适当的措施来解决交通问题的时候了。
13. Those who violate traffic regulations should be punished.
违反交通规则的人应该受到处罚。
14. There is no one but longs to go to college.
人们都希望上大学。
15. We should do our utmost to achieve our goal in life.
我们应尽全力去达成我们的人生目标。
16. Pollution poses a great threat to our existence.
污染对我们的生存造成一大威胁。
17. Smoking has a great influence on our health.
抽烟对我们的健康有很大的影响。
18. The condition of our traffic leaves much to be desired.
我们的交通状况令人不满意。
19. How important a thing it is to keep our promise!
遵守诺言是多么重要的事!
20. We should get into the habit of keeping good hours.
我们应该养成早睡早起的习惯。