You ask the scientists, they cannot answer.

你问科学家，他们不能回答。

youdao

During the entire process of the experiment, the scientists did not actively ask the child to help them, and didn't say anything like 'thank you.

研究员在整个实验过程中，从来不主动要求婴儿帮助他，也不说“谢谢”之类的话。

youdao

Still, if you ask the scientists, wine has better grounds to call itself a health food than does, say, echinacea!

CNN: Herbal remedies need real scrutiny