陈旧过时
5.a suit of rather antique appearance; demode (or outmoded) attire; outmoded ideas.
7.Belonging to the past; antiquated.
8.An external factor, for exAMple, might be that the product is already "old" and useless by the time it is developed; that is, it is based on out-of-date technology that makes the product cumbersome to use.
9.One,such as a rigid theory,that is outdated or antiquated.


