Adding to this challenge is the summer learning loss also known as the summer setback or the summer slide.

而“暑假学习损耗”则进一步加剧了这一挑战，“暑假学习损耗”又称“暑假退步”或“暑假滑坡”。

They've missed out on plays, presentations, proms, graduations, sports, science fairs, book fairs, all sorts of trips and competitions adding to this challenge is the summer learning loss also known as the summer setback or the summer slide.

他们错过了戏剧演出，演讲，舞会，毕业典礼，体育比赛，科学展和书展，反正就是各种各样的出行和竞赛，雪上加霜的是学生们在夏季其学习还会退步，这也被称作“暑假倒退”或“暑假下滑”。