Why don't you go to your room, Mom, and get some sleep.
为什么不到你的房间去?妈妈, 去睡一会儿。
There is nothing which has not been bitter before being ripe.
事情在成功前没有不艰苦的。
New Zealand is an impotant agricultural country with a small population. In size it is bigger than Guangdong Province, yet has a much smaller population.