首先我说下，“On the fly” 在计算机领域里是“即时生成”的意思，也就是说在需要的时候才产生或生成！大体意思如下：On the fly opens endless opportunities for you and your users.即时生成功能(On the fly) 为您和您的用户带来了无限良机！更多资料可以参阅英文 WIKI，如下：Colloquial usageIn colloquial use, on the fly means something created when needed. The phrase is used: (a) to explain that something was
