世界性的饥饿问题是个极其难以解决的问题,我恐怕人们在我这一辈子都找不出解决的办法。 The question of world hunger is a very hard nut to crack. I doubt if we'll find the answer to it in my lifetime.
我这一代人和我父辈及祖辈表现不同。 My generation behaves differently from my father's and grandfather's.
老一辈的各类人都在那里。 Many representatives of the older generation were there.
你能甘心一辈子失业吗? Could you reconcile yourself to a lifetime of unemployment?