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

过去美国的企业被允许将商誉在很多年逐步摊。

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.

递延费用应当在其有效经济寿命摊，我国规定的摊期不超过10年。