21. However, it is a pity that ...然而, 很可惜的是……

　　However, it is a pity that he should always cram at the eleventh hour. 然而, 很可惜的是他总是临时抱佛脚。

　　22. In other words, ... = To put it differently 换言之，……

　　In other words, I will try my best to attain (gain; live up to) my goal. 换言之, 我会尽最大的努力达到我的目标。

　　23. It will be true as assumed by others， but I don’t believe it. I believe that ...别人可能认为这是事实, 但我不是。我认为……

　　It will be true as assumed by others， but I don’t believe it. I believe that if you have strong determination and perseverance, success will certainly come to you in the end. 别人可能认为这是事实, 但我不是。我认为如果你有很大的决心和毅力, 成功最终是属于你的。

　　24. What is more serious is (that)...更严重的是, ……

　　What is more serious is that we do not cherish wildlife. 更严重的是, 我们不珍惜野生动物。

　　25. In view of the practical need of society, ...鉴于社会实际的需要, ……

　　In view of practical need of society, there are more and more people interested in learning English. 鉴于社会实践的需要, 愈来愈多的人对学英语有兴趣。

　　26. If one can really put the three points into action (practice), ...如果能实践这三点, ……

　　If one can really put the three points into action (practice), he will surely be able to live a happy life. 如果能实践这三点, 他肯定能过上幸福的生活。

　　27. In this way, I believe (that)...如此, 我相信……

　　In this way, I believe that all the people may be able to enjoy the bus ride like me. 如此, 我相信大家或许能够像我一样, 享受乘坐公共汽车的乐趣。

　　28. Only with combined efforts, can we ...唯有通力合作, 我们才能……

　　Only with combined efforts, can we expect our hometown take on a new look in due course. 唯有通力合作, 我们才能期望我们的家乡不久会有新的面貌。

　　29. For these reasons, I ...基于这些理由, 我……

　　For these reasons, I think that receiving college education in China is wise. 基于这些理由, 我认为在中国接受大学教育是明智的。

　　30. In conclusion, ...=To sum up, ...总而言之, ……

　　In conclusion, a good citizen should observe traffic regulations. 总而言之, 好公民应该遵守交通规则。