1. Every man is liable to error.
    每个人都会犯错误。

2. And because women often restrict their diet in an effort to control weight, they may not consume enough iron-rich food, and are liable to experience a deficiency.
    而且，由于女性常常为了控制体重而节食，而未能摄取足够的含铁丰富的食物，结果可能导致缺铁。