adj.长期存在的;存在已久的;
例句:
Their relationship is of long standing.
他们的关系维持了很久.
She stressed that in sovereignty and territory integrity, China has never wavered her long standing position.
她强调,在涉及领土主权问题上, 中国立场绝不会动摇.
This is an evil of long standing.
这弊端由来已久.