Can you give me a better deal/price 能再便宜点吗

今日例句：

I really like this shirt,but it is too expensive, can you give me a better deal?

我真的很喜欢这个衬衫，但是太贵了，能再便宜点吗?

Can you give me a better deal on this car? I really don’t have that much money.

这辆车能再便宜点吗?我真的没有那么多钱。

I hope you can give me a better deal once we confirm the quantity.

我希望等我们确定好数量了你能再便宜点。

quantity 数量，总量

If you give me a better deal on the phone, I will take it now.

这个电话如果再便宜些，我就买了。