Accordingly, establishing whether the restoration objectives have been achieved may require a longer assessmentperiod than the 3-5 years which is common.
相应地，确定是否已经达到恢复的目的也许需要更长的时间而不是通常的3 - 5年。
2
For a proper assessment of countries' relative performance, you need to take a longer period, such as a decade.
要想准确地评估国家的相对表现，必须以更长的时间段为准，比方说10年。
3
But there are some who won money too easily in one period and forgot some ground rules, like risks assessment, and put too much time and efforts.