Actually, those guys would be useful, not so much, hardly at all during the scrum of the phalanx, but should one side be retreating.

尽管远程兵种的作用有限,尤其是双方混战时几乎形同虚设,但当一方撤退时,他们的作用就显现了

耶鲁公开课 - 古希腊历史简介课程节选

The public transportation is virtually non-existence. And you should never rely on it.

公共交通形同虚设，你不能依赖它。

德克萨斯美女 - SpeakingMax英语口语达人