China is pushing a "dual circulation" development pattern to sustain growth in the coming years, building up strength in both domestic demand and foreign trade to meet challenges in a new development stage. building 在此处的用法是什么?
英语语法的那些专业名词我一个也不会说,所以只能用大白话讲。 英语一句话(主句)只能有一个动词,如果一件事伴随另一件事发生,另一件事那个动作的动词要用ing形式。比如,我走进教室,看见两个同学在打架。 I entered the class room, seeing 2 classmates fighting with each other.