If you can't get a cab, give me a call. It's not safe to walk home along at night.
如果你叫不到出租车的话,打电话给我,晚上一人走回家不安全。
The first essential in elephant training is to assign to the animal a single mahout who will be entirely responsible for the job.
驯象中至关重要的是指派一名专门的驯象员,全面负责这项工作。