antiquated

这家公司还在使用过时的会计系统。

The company still uses an ___antiquated accounting system.

这家餐厅还在使用一套过时的点餐系统。

This restaurant still uses an ___antiquated ordering system.

她还在用那种古老的翻盖手机，简直就像个老古董。

She still uses that clamshell phone—it's practically ___antiquated.