Now, ladies and gentlemen, I'd be happy to answer any questions that you might have.
各位女士各位先生,现在你们有任何问题我都乐意答复。
do in fact run out of energy in accordance with the second law of thermodynamics (whether the whole universe does so is a moot point at present).
也都会消耗完其能量(整个宇宙是否如此,目前尚有争论)。