has been a long-standing problem 是由来已久的问题
There has been a 曾经 ; 已有的 ; 有了一个 ; 已存在的
It has been a month 已经过去一个月了
Has been a cloudy day 一直是阴天
Has Been A Week 已经一星期
has been a trend 已成为发展趋势
Has Been A Decade 已经有十年
Has been a friend 一直是朋友
Has been a revelation 具有启示意义
it has been a conquest 从最广最深的意义上说
It has been a somewhat fraught day.
这是令人颇为担忧的一天。
Racism has been a scar on the game.
种族主义行为给这项运动抹了黑。
It appears that there has been a mistake.
看来有一个差错。
The anger of the many educated but unemployed young people has been a driving force in the Arab Spring movement.
VOA: special.2011.05.27
That has been a frequent source of the criticism of the New Criticism in its afterlife over the last forty or fifty years.
这也是新批评派,在过去四五十年的,理论根据之一。
Up until then they had been using the old stadium, which now has been turned into a park.
在那之前,他们一直使用旧体育馆;现在旧体育馆已经成为一个公园了。
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