There is something I want to ask you about clause 8.
我想问你有关第八条款的事。
I'm sure I've forgotten something ,but it's too late now.
我肯定我忘记了一些东西,但是它现在是太迟了的。
Once we detected a planet, we would have to find a way of blotting out the light from its star, so that we would be able to 'see' the planet properly and analyze its atmosphere.