Two thirds of the region has been deforested in the past decade.

在过去十年里这个地区的森林有三分之二被毁掉。

With existing medical knowledge, two thirds of the blind should not have to suffer.

根据现有的医学知识，三分之二的盲人不用再遭受失明的痛苦。

Approximately two thirds of people have lied about reading a book which they haven't.

大约有三分之二的人会谎称他们读过自己没看过的书。

With existing medical knowledge and skills, two thirds of the world's 42 million blind should not have to suffer.

凭借现有的医学知识和技能，全世界4200万盲人中的三分之二不应该遭受痛苦。

A two thirds majority is needed to make changes.

需要2/3的多数人同意才能做改变。