Laws requiring the use of headlights during daylight hours can prevent automobile collisions. However, since daylight visibility is worse in countries father from the equator, any such laws would be more effectively in preventing collisions in those countries.In fact, the only countries that actually have such laws are farther from the equator than is the continental United States.
than is 后面跟的是不是倒装句呢?
[此贴子已经被作者于2006-2-7 19:13:56编辑过] |