可持续发展是一种注重长远发展的经济增长模式，它指既满足当代人的需求，又不损害后代人满足其需求的发展
As an economic growth model with emphasis on the long-term development, sustainable development refers to such a development that meets the needs of the present generation without compromising the needs of future generations.
是科学发展观的基本要求之一
It is one of fundamental requirements of Scientific Outlook on Development.
经济、社会、资源和环境保护协调发展
coordinating development of economy, society, resources and environmental protection
中国是一个人均资源相对贫乏的国家，实现社会可持续性发展是关乎中国子孙后代的头等大事
As China is a country relatively poor in per capita resources, the sustainable development of the society is a significant issue of top priority for China's coming generations.
关于sustain:
表示持续的一般都可用sustained，例如 get sth. done in one sustained effort(一鼓作气) 和 make a sustained effort(不懈努力)
关于损害:
损害的说法和宾语相关，例如损害健康 impair one's health 损害庄稼 damage crops 损害名誉 defame one's reputation
文中利用compromise表达损害，比not only...but alsojianjie
关于大事:
a matter of prime importance/ a major event/ a significant issue