If you cannot answer this question in English, you may use Chinese.

如果你不能用英语回答这个问题，你可以用中文。

youdao

If you cannot find a concrete answer to this question, chances are high that the artifact is superfluous.

如果您不能找到此问题的具体答案，那么有很大可能性此工件是多余的。

youdao

If she doesn't answer, if she cannot answer, then you know it's an illusion and she will vanish.

如果她答不出来，你就知道这不过是幻想而已，这样她就会消失不见了。

youdao

You cannot answer that, even if I promised to move only along the x-axis, because I think...I don't want to pose this as a question, because I think the answer is fairly obvious to everybody.

即使我保证只在 x 轴上移动,你们仍然无法回答,因为我觉得...我不想将其作为一个问题,因为我认为答案是显而易见的

耶鲁公开课 - 基础物理课程节选

If you cannot answer these questions clearly, you probably need to go back to the drawing board and be sure you are in the right place before you engage the general public in funding your business.

FORBES: Why We Chose Crowdfunding For Our Product (Should You?)