我有一。
I have one hundred yuan.
我想和茶。
I want to buy fruit and tea.
二十,茶十。
The fruit is twenty yuan, and the tea is ten yuan.
那个八十,太多了。
That backpack costs eighty yuan, which is too much.
我那么多,不。
I don't have that much money, so I won't buy the backpack.