万物皆有时，时来不可失。
22、Take time when time cometh,lest time steal away.
时来必须要趁时，不然时去无声息。
23、When an opportunity is neglected,it never comes back to you.
机不可失，时不再来;机会一过，永不再来。
24、Make hay while the sun shines.
晒草要趁太阳好。
25、according to a recent survey, four million people die each year from diseases linked to smoking.依照最近的一项调查，每年有4 000 000人死于与吸烟有关的疾病。
26、although this view is wildly held, this is little evidence that education can be obtained at any age and at any place.尽管这一观点被广泛接受，很少有证据表明教育能够在任何地点、任何年龄进行。
27、an increasing number of people are beginning to realize that education is not complete with graduation.越来越多的人开始意识到教育不能随着毕业而结束。
28、in fact, we have to admit the fact that the quality of life is as important as life itself.事实上，我们必须承认生命的质量和生命本身一样重要。
28、in the last decades, advances in medical technology have made it possible for people to live longer than in the past.在过去的几十年，先进的医疗技术已经使得人们比过去活得时间更长成为可能。
30、in view of the seriousness of this problem, effective measures should be taken before things get worse.考虑到问题的严重性，在事态进一步恶化之前，必须采取有效的措施。
31、it is indisputable that there are millions of people who still have a miserable life and have to face the dangers of starvation and exposure.无可争辩，现在有成千上万的人仍过着挨饿受冻的痛苦生活。
32、many experts point out that physical exercise contributes directly to a person’s physical fitness.许多专家指出体育锻炼直接有助于身体健康
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