when reading the headline,i do not understand the meaning of the new .
The memorandum of understanding , if announced,would signal a significant turn-around of washington"s stance towards chinese investment in the US and also comes at a time that cash-rich china, with more than US$2 trillion worth of foreign exchange reserves, is buying overseas assets aggressively.
understanding之後點解要comma??
if announced之後點解要comma??
if announced.......if 之後可以svo 同 if v嫁??
with 之前點解要comma??
exchange reserves之後點解要comma??