28.It is true that to do．．．brings about both positive and negative results．But we can try our best to reduce the negative influence to the least extent．Besides，compared with the positive effects，the disadvantages would not count nluch．

……同时带来积极的和消极的结果。但我们可以努力使消极影响降到最低限度，而且，与积极的影响相比，这不利之处也算不了什么。

29．It is high time that we／the government did．．．

我们(政府)早该干……

30．To achieve this goal，however，we still have a great distance to cover．

然而，要达到这个目标，我们还有很长的路要走。

31．It is urgent／important／necessary that appropriate／effective／proper actions／measures／steps／method be taken to end／correct／improve．．．

采取适当的(有效的，合适的)措施(行动，步骤，方法)去消除(纠正，改进)……是迫切的(重要的，必要的)。

32．There are believed／expected／supposed to be two effective measures／practical

schemes／sound solutions，one of which is…

人们相信(认为)有两种有效措施(实用计划，合理的解决办法)，其中一个是……

33．Both governments and ordinary citizens should ioin hands to make this world a better place to live in，not only for ourselves，but also for future generations．

不仅仅是为了我们，更是为了我们的后代，政府和普通公民应该联合起来，使这个

世界变成更美好的家园。