Sure, I'll let you take my daughter you, but make sure she is back by 10.
可以,你可以帶我女兒出去,但你要保證十點前把她帶回來。
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).
也都會消耗完其能量(整個宇宙是否如此,目前尚有爭論)。