Chen draws a clear line between himself and those who skip classes in order to get more sleep or fool around on campus.

陈阳将自己同那些为了睡懒觉或想在校园里闲逛而翘课的人划清界限。

youdao

More importantly, it shows a clear pattern of higher highs (line c).

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First, he has a long line of hurdles to clear, beyond just making the laser more efficient.

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