例句：
1、White has always been a symbol of purity in Western cultures.
在西方文化中，白色一向象征纯洁。
2、 I think white would be too stark for the bedroom.
我觉得卧室里用白色未免太素了。
3、The playing area was marked off with a white line.
运动场地用白线划了出来。
4、Use a black pen on white paper to ensure good reproduction.
用白纸黑笔，以确保复印清晰。
5、The new office block has become an expensive white elephant.
这座新办公大楼成了昂贵的摆设。