"What we expect to see come out of the summit is a communiqu with an action plan, a specific timeline with very particular benchmarks that are measurable on how to secure and lockdown these vulnerable nuclear materials."

VOA: standard.2010.04.06

Any want or a satisfaction which exists exists in some amount and is therefore measurable.

任何需求或满足，都能有个价钱,因此能用金钱衡量。

耶鲁公开课 - 公正课程节选

Any want or a satisfaction which exists exists in some amount and is therefore measurable.

任何需求或满足，都能有个价钱,因此能用金钱衡量。

耶鲁公开课 - 公正课程节选