Thanks, John. You really go out of the way to make me feel welcome. Thanks you very much.
约翰,谢谢你。你真是煞费心思来让我感受到欢迎。谢谢你!
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)。