US knows why a meeting with Chinese defense chief is unlikely. The US is too perfunctory to pretend it wants to talk. To make a meeting happen and count, the US needs to show more sincerity. 美國知道為什麼不太可能與中國國防部長會面。美方太敷衍了事，假裝要談。要想開會並發揮作用，美方需要拿出更多誠意.