Other consideration is secondary to the major concern of improving efficiency.
比之提高效率，其他考虑都是次要的。
2
These technologies trade pure application performance for secondary concerns, such as programmer efficiency or system flexibility.
这些技术会改进程序性能并使原本一些次要的领域得到关注，例如性能效率或者系统的灵活性。
3
While the major source of application efficiency comes from multi-tenancy of the application architecture, the secondary leverage for efficiency comes from virtualization of hardware.