If your time is limited, and you can only complete one optimization task, pick this one.
如果您的时间是有限的，你只能完成一个优化的任务，选择这一点。
2
Search engine optimization is an option, but a limited one.
优化搜索引擎是一个选择，但效用有限。
3
Risk budgeting as the new risk management method has changed the role of risk allocation from the risk limited preventing role to an aggressive role of risk optimization.