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?
It later became apparent that rabbits were developing a degree of resistance to this disease,
后来,明显看出,兔子对这种疾病已产生了一定程度的免疫力,