Translate the following sentences. 1. But one of the most telling lessons Ellen and I got in the difference between Chinese and American ideas of education came not in the classroom but in the lobby of the Jinling Hotel where we stayed in Nanjing. 2.Since adults know how to place the key in the key slot, which is the ultimate purpose of approaching the slot, and since the child is neither old enough nor clever enough to realize the desired action on his own, what possible gain is achieved by having him struggle?