基本解释投機行爲英汉例句雙語例句Then the article elaborates the principles from the points of restraining of opportunistic practice and investment demand of residents.從抑制投機行爲、居民投資需求兩個方麪的需求原則，闡述了物業稅對房地産價格的內在因素和外在因素的影響。opportunistic practice更多例句专业释义經濟學投機行爲