报告还强调了很多已经奏效的有关类似的策略，想法和行动的例子能够帮助其他学校来实现所有学校在2020成为可持续性学校的承诺。
The report highlights many such examples of strategies, ideas and actions that have led to improvement and may help others to meet the commitment for all schools to be sustainable schools by 2020.
霍尔布鲁克说，美国对南亚的承诺是长久和持续性的。
Holbrooke says the American commitment to South Asia is long and enduring.
一些学校或非营利组织要求志愿者签订承诺书，还有一些靠对志愿者的自觉保持他们的兴趣和持续性。
Someschools or nonprofits have their volunteers sign letters of commitment, andothers rely on the volunteer’s buy-in to keep them interested and coming back.
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