China has a larger population than any other country in the world为什么这里 any other country
China has a larger population than any other countryin the world为什么这里any other country前面不加上that in 原句为什么不为China has a larger population than that in any other countryin the world
为什么 the population of China is larger than that inAustralia这里要加上that?为什么求高手解答