American firms used to be allowed to amortise goodwill over many years.

过去美国的企业被允许将商多年内逐步摊。

Give delay charge to ought to be in its are effective the amortize inside economic life, the amortize that our country sets period do not exceed 10 years.

递延费用应当其有效经济寿命内摊，我国规定的摊期不超过10年。