That way, Apple could not unilaterally introduce a code that weakens the iPhone—a user would have to consent to it.
2017年12月六级真题（第三套）阅读 Section B
柯林斯高阶英汉双解学习词典释义
ADJ
一方的；单边的；单方面的
A unilateral decision or action is taken by only one of the groups, organizations, or countries that are involved in a particular situation, without the agreement of the others.
In international custom,a nation that unilaterally breaks contracts must make good the damage.根据国际惯例,某国单方面撕毁合同必须赔偿损失。The communists had unilaterally declared a ceasefire.共产主义者单方面宣布停火。The district unilaterally proclaimed its independence from the national government.该地区单方面宣布脱离国家而独立。