第46章 de·for·est·ation
污染，森林砍伐，过度捕捞，集约化耕作以及全球变暖正在严重影响环境。
pollution deforestation over-fashing，intensive farming and
global warming are severely affecting the environment.
政府应该保证经济改革对穷人是有益的。不然富人和穷人之间的差距回越来越大。
the government should ensure the economic reform is for the benefit of the less well-off.
otherwise，the gap between the rich and the poor will keep widening.
在线教育可能降低了学习的费用，但它是否能让学生更有效地学习，这一点仍待观察。
online education may have lowered the cost of learning，but it remains to be seen weather it will enable students to learn more effectively.
It remains to be seen weather the econmics of this sort of testing make it feasible on a national scale.
这种测试的经济性是否使其在全国范围内可行，还有待观察。
It remains to be seen weather...句子中it是形式主语，指代weather…后面的内容，相当于weather...remains to be seen这一句式在写作中有很广泛的应用。
there are reckoned to be about 7000 rare diseases in the world，aftecting 400m people，and most are genetic.
affect：影响
influcence
高级感
the british project is likely to begin with a small number of exetremely
rerliable testes that will improve the way children are treated.this ensure the testing is for benefit of the child.
英国的项目很可能从少量及其可能的测试开始，这些测试将改善儿童的治疗方式。这确保测试是为了儿童的利益。
somebody ensures （that）xx is for the benefit of…意思是“某人应该保证xx对于……是有益的”
de·for·est·ation
the action of clearing a wide area of trees:
“a key aim is to try to halt widespread deforestation in the Amazon“ · “deforestation caused by foreign logging panies“
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