There is no courage or persistence in a life without goals.
没有目标的生活就没有勇气和坚持。
It would make more sense to separate the presentation layer (the Web module) and the business (or persistence) layer.
分离表示层(Web模块)和业务(或持久性)层会更行得通。
For example, a contact record may contain a last modified date and the identity of the modifying user (auditing information), and a unique identifier (database or persistence information).
比如，一个联系人记录可能包含一个“最近修改时间”和一个“修改用户的标识”，和一个“唯一标识”(数据库或持久化信息)。
Prior to the advent of aspect-oriented programming (AOP), however, it was difficult to write certain kinds of tests for crosscutting behavior such as security, transaction management, or persistence.
不过，在面向方面编程（AOP）出现之前，为横切行为（如安全、事务管理或者持久性）编写测试很困难。
There is no increase in the rate of recurrence or persistence of infection related to the implantation of titanium mesh cages.
没有因为钛（网）笼的植入而增加再发或持续感染的比率。
There is no increase in the rate of recurrence or persistence of infection related to the implantation of titanium mesh cages.
没有因为钛（网）笼的植入而增加再发或持续感染的比率。
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