longstanding

基本解释

The biggest risk is that the region fails to tackle its other longstanding weakness: poor education.
最大的风险是该地区未能处理其它长期存在的弱点：糟糕的教育。
Asia is home not only to rising powers, but also to isolated regimes; not only to longstanding challenges, but also unprecedented threats.
亚洲不仅有新兴大国，而且有被孤立的政权；不仅面临长期存在的挑战，而且面临前所未有的威胁。
With the more precise data and the SDO’s ability to see the whole sun at once, scientists anticipate that they’ll be able to solve some longstanding questions about how the sun’s magnetic field works.
因为有更精确的数据，还有太阳动态观测台一次能够观察整个太阳的能力，科学家预计能够解决关于太阳磁场如何运作的一些长期存在的问题。

"There is no question that Iran and Iraq should have a longstanding relationship, they are after all neighbors.
The patriarchal stories are clearly not the work of the Deuteronomist, and these stories must have had very longstanding traditional authority if they were adopted without serious modification by the Deuteronomist redactor some modification, but not serious.
那些宗法故事显然不是预言师的作品，这些故事必然经过了传统权威的检验,如果他们是未经更改直接引用的话,由那些预言编写者,这里有一些改动，但不是太多。
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This is a longstanding conflict in our thinking.
这种思想斗争广泛存在
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That opens the door, we believe, towards lasting solutions to very longstanding, violent conflicts within Burma.
WHITEHOUSE: The White House