I had good personal evidence of this last week watching Mark Morris's faultless dance piece V, performed to the Schumann, an experience that made me indescribably happy.
我用自己的亲身经历来举例，上周我看了在舒曼乐曲下完美呈现的马克·摩里斯的舞蹈作品《V》，这让我特别高兴。
I have performed single-factor authentication in this chapter, which is where the user is able to authenticate using a single piece of information known to them in advance: the password.
在本章中，我实行的是单因子认证，在这种场合中，用户只需使用一个他们预知的单一信息片段：口令，便能够进行认证。
应用推荐