identity confirmation的用法和样例：
例句
- You are asked for a credit card as a verification of identity or for personal information that does not seem necessary.
要求您提供信用卡作为身份验证或看起来不必要的个人信息。 - Base on these arithmetics , it designs and achieves an identity verification system of depositors.
在此基础上选取其中的某些算法设计实现了银行储户身份验证系统。
