gain的近义词/同义词有：acquire, earn, get, obtain, receive, secure, look, pick, make, up, come, along, progress, improve, advance, benefit, advance, up, behalf, plus, benefit, receive, take, blessing, pick, improve, advantage, ac...
“充裕”的近义词/同义词：富余, 富裕, 宽裕, 充分, 充实, 充足, 充沛, 充满, 足够, 满盈, 丰裕, 充盈, 敷裕, 阔气, 阔绰, 宽绰, 余裕, 裕如, 富足, 富饶, 渊博。...