But as it advances, faces could one day become the only form of ID some people carry with them.

但随着它的发展，未来某一天，面孔可能会成为一些人随身携带的唯一身份证。

" Why shouldn't I laugh" ? he asked, pinning her with his elbows, and advancing his face to hers.

“我为什么不应该笑” ？ 他问道，用手肘压住她， 把脸凑近她的脸。