n.开槽
动词gain的现在分词形式.
Your campaign is gaining ground. 你们的运动不断取得进展。
He became a citizen, thereby gaining the right to vote. 他成为公民，并因此获得了选举权。
The struggle for independence is gaining momentum every day. 为独立而斗争的势头日益增长。
v.恢复；重回；复得
n.交易；契约；交涉，商讨，商谈；讨价还价
v.讨价还价，商谈（bargain的现在分词）
