He faced discrimination due to his alienage.

他因为外国人的身份而面临歧视。

The law restricts certain rights based on alienage.

法律根据外国人的身份限制某些权利。

She had to prove her alienage to receive certain benefits.

她必须证明她的外国人的身份才能获得某些福利。

Policies regarding alienage can vary significantly between countries.

关于外国人的身份的政策在不同国家之间可能有很大差异。

The court ruled in favor of the plaintiff despite his alienage.

尽管原告具有外国人的身份，法院还是判他胜诉。