我们没有屏幕，但我们可以把幻灯片打到后墙上。
We have so screen, bur we can project a slide onto the black wall.
在这一年中，我们已经安排了几个无屏幕日，这需要我们为学生制定不同的计划，涉及他们在没有“屏幕”的情况下如何与彼此和周围的世界交流。
During the course of the year, we have built in several screen-free days that require us to make different plans for our students about how they will communicate with one another and the world around them without "screens".
或者，它实际上是一条光滑的没有棱角的曲线？，可是我们看不到，因为电脑屏幕太小了？
Or, is it actually a smooth curve without any corner, but we don't see it because it's too small to be visible on the computer screen?
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