assurance
自信，确信   

例句：
They were waiting with assurance for me to discover the truth for myself.
他们自信的等待我自己发现事实的真相。

bang for the buck
合算，划算
 
例句：
You paid only one thousand dollars for that car? That was really bang for the buck.
那部车你才花了一千美元？简直太划算了。

I can see your point.
我理解你的意思。 

对话：
A: Well, that's what I want to say.
B: I can see your point. However, can you use a few examples to make it clearer?
　
A：好了，这就是我想说的。
B：我能理解你的意思。不过，你能不能再举几个例子来进一步阐明你的观点呢？