我必须指出新药的试验很昂贵，而且你永远不能保证成功。

I must point out that trials of new medicine are expensive and you can never guarantee success.

youdao

我必须指出，数学模型并不是越多越好。

I have to disagree that it is just a case of more is better.

youdao

我必须指出，左边电极充负电,右边电极充正电。

And the way I have this configured, the left electrode is going to be charged negatively and the right electrode is going to be charged positively.

youdao

But I need to point out that there's another disadvantage that the fission case raises for the soul theory.

但我必须要指出，灵魂理论的裂变案例,其实还有一个缺点。

耶鲁公开课 - 死亡课程节选

And the way I have this configured, the left electrode is going to be charged negatively and the right electrode is going to be charged positively.

我必须指出，左边电极充负电,右边电极充正电。

麻省理工公开课 - 固态化学导论课程节选