1. The service design is usually a secondary activity, although it is sometimes done in parallel. 服务设计常常是次要的活动，尽管有时候并行地完成。
2. Physical activity is almost always a secondary consideration, and then only because of its power to help us lose weight. 而体能活动几乎成了第二位考虑因素，我们会考虑体能活动也只是因为它能帮助我们减肥。
3. An error code will be returned to the application, and activity against the database will be stopped, if more secondary log files are required than are allowed by this parameter. 如果所需的辅助日志文件的数量比该参数允许的数量大，就会将一个错误代码返回到应用程序，并且会停止对数据库的操作。
4. Each of several account teams develops a key account plan but also enjoys the secondary benefit of integrating and solidifying key account team membership through participation in a focused activity. 每个客户团队都制定出一份大客户计划，而且还可以在集体活动中团结巩固大客户团队的成员关系，从而二次获益。
5. Activator can enhance remarkably the activity of fly ash and accelerate secondary hydration reaction of high fly ash content concrete. 激发剂能显著提高粉煤灰的活性，加速高掺量粉煤灰二次水化反应。
