58. The time is right for us to take full advantage of ample existing opportunities.
这正是我们充分利用大量现有机会的时候。
59. While it remains to be seen whether or not environmental deterioration can be controlled, the current prospects are far from encouraging. People around the world must act immediately to prevent the situation from deteriorating even further.
环境恶化是否能得到控制这个问题仍然没有答案，但目前的前景一点儿也不乐观。全世界的人必须立即行动，防止情况进一步恶化。
60. The methodology suggested may not guarantee ultimate success, but the eventual pay-off could well be worth the effort. Achieving even partial success will benefit mankind and contribute to creating a better world.
提出的方法不一定保证最终的成功，但最后的结果非常值得付出努力。即使只获得部分成功也会使人类受益，
有利于创造一个更美好的世界。
61. Admittedly, ensuring sustainable development will require a certain level of sacrifice and arduous efforts on the part of all people. Nonetheless, the accrued returns will both strengthen the nation and ensure a better life for all Chinese citizens.
诚然，确保持续的发展需要人们做出一定程度的牺牲和辛勤努力。但是，积累的成果不仅能使国家更强大，而且能保证中国公民过上更美好的生活。
62. The rapid emergence of homes for senior citizens represents a sharp divergence from the traditional Chinese practice of maintaining the nuclear family at all costs.
老人疗养院的迅速出现体现了与中国传统的不惜一切代价维持核心家庭的做法的显著分歧。
63. Participating in interactive experiences beneficial to all is something that no one should miss . The valuable lessons learned therefore should not be arbitrarily dismissed , but should instead be treasured .
参加对所有人都有益的互动式体验是任何一个人都不应该错过的。从中获得的宝贵经验不应该任意抛弃，而应该倍加珍惜。
64. Abortion advocates may be correct in their assertion that the practice is a necessary tool of population control, but they seem to neglect the preciousness of human life in its earliest stages.
人工流产的提倡者认为它是控制人口的一种必要手段。他们也许是对的，但他们可能忽略了人的生命在最初阶段的宝贵。
65. Some people assert that nothing is impossible. Such people should get a grip on reality and understand it's impossible to create another Universe. In more down-to-earth terms, it's impossible to know with any certainty whether you will live or die tomorrow.
一些人断言没有什么事是不可能的。这些人应该把握现实，知道再造一个宇宙是不可能的。更现实的说法是不可能明确知道明天你会活着还是会死。
66. Two major factors contributed to devastating summer flooding along the Yangtze River and its tributaries. First, erosion resulting from excessive deforestation in the upper reaches of the river and, second, heavy silting which raised the riverbed in the main channel.
两个主要因素导致了夏季长江及其支流的特大洪水。第一，过度砍伐引起的河流上游的侵蚀，第二，严重的泥沙淤积抬高了主干道的河床。
67. Greed and a total lack of social consciousness have been cited as major reasons for the dramatic rise corruption.liuxuepaper.com