its和its的区别是什么？

　　一、it's的含义及用法

　　it's即it is的缩写形式，是it is/it has的常用口语形式，意为它是。

　　例句：It's the best news I've heard in a long time.

　　这是我很久以来听到的最好消息。

　　It's been such a long time since I played.

　　自我上次演出以来已有很长时间了。

　　It's among the poorer countries of the world.

　　它是世界上的贫穷国家之一。

　　It's important to try and make something of your life.

　　在一生中有所成就是很重要的。

　　It's time to give serious consideration to this matter.

　　到了认真考虑这一问题的时候了。

　　It's been two weeks now since she called.

　　她到现在已经有两个星期没来电话了。

　　It's known as the most dangerous part of the city.

　　人们都认为那是市内最危险的地段。

　　二、its的含义及用法

　　its作为形容词性物主代词，意思为它的，他的，她的。

　　例句：Turn the box on its side.

　　把箱子侧着立起来。

　　Have you any idea of its value?

　　你知道它的价值吗？

　　The company needs to improve its competitive edge.

　　公司必须提高它的竞争力。

　　The school is the first of its kind in Britain.

　　这是英国同类学校中最早的一所。

　　Its brain is small in relation to its body.

　　和它的身体相比，它的大脑很小。

　　The car is in remarkably good condition for its age.

　　就车龄而论，这辆车的状况好极了。

　　My computer seems to have a mind of its own!

　　我的电脑好像也有它自己的想法！