If you flatter your mother a bit she might invite us all to dinner.
你如果多奉承你母亲几句话,说不定她会把我们全部请去吃饭。
Let's begin now.
现在让我们开始。
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.