They shook hands. They took a long walk. One man touched the other’s arm, then he did it again. They later shook hands some more. 他们握了手，一起走了很长一段路。一个人轻触了对方的手臂，随后又触了一次。之后，他们又握了几次手。 For two leaders at odds on many fronts — Taiwan, trade, rare earth resources…