供开会用的椅子数量不够——需要再增加一半。

There aren't enough chairs for the meeting—we need half as many again.

youdao

今年我们工业的产值比去年增加一半（或增加两倍）。

This year the value of our industrial output has increased by half(or by twice)as compared with that of last year.

youdao

联合国粮农组织估算，到2050年粮食产量必须再增加一半，而肉类的产量则不得不翻番。

The UN’s Food and Agriculture Organisation (FAO) reckons grain output will have to rise by around half but meat output will have to double by 2050.

youdao

For example, I don't have more space to write, if this is time and this is earnings-- if your earnings were,say, flat and suddenly increased like that, they wouldn't believe this increase at first, so the board would decide to adjust only, say, half way up.

例如,没地方写了,横轴是时间,纵轴是收益,如果你的收益,一直平稳,突然间提高,他们刚开始不敢相信这种增长,董事们决定只小幅增加,如增到一半

耶鲁公开课 - 金融市场课程节选