1.belong to 属于

They belong to someone.
他们肯定属于某人。

We do not belong to it.
我们不属于那一派。

2.pair of 一对；一双

This pair of shoes last well.
这双鞋很耐穿。

This pair of shoes are shapeable.
这双鞋的样子很好看。

3.growing market 成长型市场

Also, business plans often assume it will be easy to gain a share of a large or fast-growing market.
还有就是，商业计划经常假设：人们可以很容易地得到一份很大或成长快速的市场。