Unit10 For the Sake of Other Men第十课 为别人而活Strange is our situation here upon earth.我们在地球上的处境真是奇妙。Each of us comes for a short visit，not knowing why, yet sometimes seeming to divine a purpose.我们每一个人都是为了一趟短暂的旅程而来，也不知道是为了什么，但有时候似乎又猜想是有其目的。From the standpoint of daily life，however, there is one thing we