They talk about things like family, work, school or sports.
他们常常谈论家庭,工作,学校或运动。
You'll fall, if you don't take care.
你不专心的话,就会跌倒。
After all, all living creatures live by feeding on something else, whether it be plant or animal, dead or alive, and it is only by chance that such a fate is avoided.