事实证明这多么没有必要。
Museums plan their schedules years ahead, but the Uffizi made a last-minute decision to offer the pictures to London—and Dulwich had an opening because planned maintenance work proved unnecessary.
一般博物馆是提前几年定好时间表，然而乌菲齐美术馆在最后一秒才决定到伦敦办展览。 恰缝达利齐画廊因无须进行原计划的修复工作而有空档接纳。
Hospitals have also proved adept in the past at evading price controls on particular drugs by prescribing other medicines or unnecessary extra tests and treatments.
医院已经证明过去他们适应了通过其他药材和不必要的额外检查和诊断手段来控制对特殊药材价格下跌的形式。
But containment would have probably been impossible and it proved, at least in the past decade, unnecessary.
牵制也许不可能。事实证明，至少在过去十年里，牵制是不必要的。
It be proved that the repaired enamel reactor could be prolonged its porformance life and reduce the unnecessary loss.
实践证明，经修补过的搪瓷反应器延长了使用寿命，减少了不必要的损失。
It be proved that the repaired enamel reactor could be prolonged its porformance life and reduce the unnecessary loss.
实践证明，经修补过的搪瓷反应器延长了使用寿命，减少了不必要的损失。
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