The increase to level 5 indicates that there is sustained human-to-human transmission in communities in different geographical locations.

VOA: standard.2009.04.29

For any given level of return, you can reduce the risk; for any given level of risk, you can increase the return; sounds pretty good.

给定回报率,可以降低风险,给定风险水平,可以提高回报率,听上去不错

耶鲁公开课 - 金融市场课程节选

"Given the fact that the level of retaliation next year would likely increase, we have protected the market for a significant level of goods and intellectual property rights going forward."

VOA: standard.2010.04.28