But I do know a few things. I know that the cost of every U. s. sample survey is going up.

但是我对情况也略知一二，我知道每个样本调查费都在增加。

youdao

But I do know a few things. I know that the cost of every U. s. sample survey is going up.

但是我对情况也略知一二，我知道每个样本调查费都在增加。

youdao