Too much tea will brown your teeth, but it's good for your health; so what are you going to do?
茶喝多了会把你的牙齿染黄,但对你的身体去有好处。因此你会怎么办?
Was the noise a cause of the illness, or were the complaints about noise merely a symptom?
是噪音引起了(精神)病呢,还是(精神)病的症状之一是对噪音的抱怨?