When my girlfriend rings me out of the blue, I'm in a good mood for the rest of the day.
我突然接到女朋友的电话,接下来的一整天我的心情都很好。
In fifty years there'll be twenty people per square yard, it is written here.
这里写着,再过五十年每平方码将要住着20人的人口密度。
If they had only had one more child, the fact would have passed unnoticed.
如果他们只添了1个孩子,这件事本来就不会引起任何人的注意。