哦，我们不知道计算的变数是多少，所以…你不是求得精确比率。

Brennan: Oh, we don't have all the variables, so… You're not being precise, you're simply illustrating the difficulty.

youdao

哦，我们不知道计算的变数是多少，所以…你不是求得精确比率。

Brennan: Oh, we don't have all the variables, so… You're not being precise, you're simply illustrating the difficulty.

youdao