台湾籍旅美老师今天交给我们的句子是：
Some families know their water is contaminated with germs that cause diarrhea, dehydration, even death, but what choice do they have?有些家庭其实也了解他们所饮用的水资源有细菌污染，可能会造成拉肚子、脱水、甚至死亡；但他们又有什么选择呢？
