挑战就是创造能够满足个人或者社会需求的一种社会力量，在这个过程中增加世界上有意义的行为的数量和频率。
The challenge is to create a social force toward addressing a specificpersonal or societal need and, in the process, increase the number andfrequency of meaningful acts in the world.
吉崎康宏认为，社会责任感的削弱与个人满足和享乐的兴趣增长密切相关。
Diminishing social responsibility, according to Yoshizaki, is tied to the growing interest in pleasure and personal satisfaction.
传统的身份认证方法，主要包括个人密码，身份证，钥匙等，其安全性和使用方便性都越来越不能满足现代社会的需要。
The conventional personal identification methods, e. g. personal password, identity card, and key, are not satisfied to the need of modern society in security and convenience.
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