It cannot be sustained when friends move far apart.
出自-2012年12月听力原文
A new Peabody study of the Tennessee Voluntary Pre-K program reports that pre-K works, but the gains are not sustained through the third grade.
2016年6月四级真题（第一套）阅读 Section C
But, in the years that followed, her sustained tutoring suggested that Kafka might be wrong about the solitude.
2015年12月四级真题（第二套）阅读 Section B
given that sustained social contacts have been shown to support health and a long life, those wishing to maximize the health value of crafts might consider joining a group of like-minded folks.
2017年12月四级真题（第三套）阅读 Section B
It is impossible that a single shot of education, administered in childhood and early adulthood, will be able to support a sustained, 60-year career.
2019年6月四级真题（第一套）阅读 Section B
It is impossible that a single shot of education, administered in childhood and early adulthood,will be able to support a sustained, 60-year career.
2019年6月四级真题（第一套）阅读 Section B
In its 1994 report, the World Bank argued that the current pension system in most countries could not be sustained in the long term.
出自-2010年12月阅读原文
not be sustained in the long term
出自-2010年12月阅读原文
without sustained external pressure it seems certain Mr. Cameron would still be hooked on the interests of big tobacco companies
2016年12月六级真题（第三套）阅读 Section C
Before each of their revelations, many thinkers at the time had sustained more ancient ways of thinking, including the geocentric view that the Earth was at the centre of our universe.
2020年考研真题（英语一）阅读理解 Section Ⅱ