就如她的性格，她从不解释她自己，而他也知道不要多问。
Characteristically, she'd never explained herself and he knew better than to ask.
如果没有，不要害怕多问他们几次。
不过，可不要就此收拾行李走人：科学家警告说，仍然存在许多问题需要解答，之后才能确定这颗行星是否适合人类生存。
But don't pack your bags just yet: Scientists are cautioning that there are still many questions that need to be answered before determining whether the planet is habitable.
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