have long been信息详情
一直以来
have been───已经；一直；去过（现在完成时）
have been dead───已经死了
have been there───亲眼看到；直接了解；全都知道；曾到过那里；全都知道， 直接了解， 亲眼看到
l have been───我一直
have been to───v.曾经到过（去过）
have been in───呆在某个地方；去过某个地方
have you been───你有没有
have been on───已经开始了
been───v.是，有（be的过去分词）；n.(Been)（美）贝恩（人名）
American papers have long been highly unusual in their reliance on ads.───长期以来，美国报纸极度依赖于广告。
I have long been waiting for an opportunity to escape.───我一直在等待逃跑的机会。
Patriotic songs have long been a feature of Kuwaiti life.───爱国歌曲长期以来一直是科威特人生活的一个特点。
Promotions and package deals have long been a staple of the hotel industry, particularly during slow periods.───促销和打包产品一直是酒店行业的主打，特别是在经济增长缓慢的阶段。
Moreover, George said, the British have long been admirers of black music and culture.───此外，乔治强调英国人对黑人音乐和黑人文化也充满了仰慕之情。
Autoantibodies have long been used as diagnosis markers in autoimmune disease, and are thought to be the key point of the pathogenesis.───针对自体组织成分的自身抗体一直是自身免疫性疾病的主要诊断标志物和研究发病机制的关键环节。
RUNNING like the wind, roaring like thunder, tigers have long been respected as a king of the animal world.───奔跑如风驰电掣，咆哮如雷霆万钧，它们就是一直被奉为“百兽之王”的老虎。
Nonsurfactant additives known as "builders" have long been used to improve detergent action of surfactants.───剂的添加剂称作助洗剂，长期以来用以改进表面活性剂的去污作用。
Now that you have long been familiar with seeing our craft in your skies, you realize that it a clear reference to Space Beings.───而现在，你们已经完全熟悉了出现在你们天空的我们的飞船，你们知道它就是指的空间存有们。
Patriotic songs have long been a feature of Kuwaiti life.
Sexually transmitted diseases have long been implicated in infertility.
They have long been involved in a crusade for racial equality.
The courts have long been involved in demarcation disputes.
Femininity and athleticism have long been at odds with each other.
Londoners have long been perversely proud of a health service that does not serve them well.
BTo this old agenda, ritual answers have long been choreographed by the same actors who set the agenda.
Fireworks have long been an American tradition on the Fourth of July.
I have long been intimate with him.