1. But the ratio is even greater among active women, affecting up to 80 percent of female endurance athletes.
    而这一比例在积极锻炼的妇女中数值更高，女耐力运动员中缺铁的则高达80%。

2. We divided it in the ratio of 3:1.
    我们按照三比一的比例将它分开。

3. Ability to get along with people is an asset in business.
    在商业界，能与别人相处是可贵的。

4. For many years she has been puzzled as to why so many of the children in her study should be boys — at the top level, there are more boys than girls by a ratio of thirteen to one.
    多年来，她对为何她的研究中有那么多的男孩感到困惑 -- 高级组中男孩女孩之比为13比1。

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