I venture to say that by the year 2500 there will be men living on the moon.我敢说，到公元2500年会有人在月球上居住。
7. afford
高中课文中出现的与此单词组成的词组是afford sb. sth.，表示提供某人某物。
例如：
Those efforts afforded us useful experience.这些努力使我们得到了一些有益的经验。These activities afforded him great pleasure in his old age.这些活动给他的晚年带来了很大的乐趣。
在很多场合，afford表示有经济条件做某事。
例如：
Before liberation many people could not afford to send their children to school.解放前很多人由于付不起学费而不能送孩子上学。
In those days we were too poor to afford medical treatment.那时候我们太穷，治不起病。
8. agree to
表示同意某一建议，安排等，意思接近consent to。
例如：We agreed to their suggestion.我们同意了他们的建议。
Under no circumstances can we agree to such a principle.在任何情况下我们都不会同意这一原则。
注意：在agree后接不同介词，词义会有所不同，如：agree with，表示同意某人的意见，我们可以说：I quite agree with him.我完全同意他的意见。又如： agree on或 |
