英语语法分析

Our cheap, ultra-reliable wired networks made credit-card authentication over the phone frictionless.

我们实惠的、非常可靠的有线网络使通过电话进行信用卡认证变得轻而易举。

Further down the road is biometric authentication, which could be encrypted with, say, a fingerprint.

下一步是生物识别认证，可以用指纹等进行加密。

A troublesome area is the management of the keys used for encryption and authentication.

一个麻烦的领域是用于加密和身份验证的密钥的管理。