There's no formula here, a great deal depends on the overall pattern, what your TA tells me about how you've done over the course of the semester.

没什么公式，主要是看整体模式，助教告诉我关于这门课你这学期做得怎样。

耶鲁公开课 - 死亡课程节选

The same pattern plays over and over again, so there's no hurry and when you're done you simply hit the right button to go to the next pattern.

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Mr Brunstrom said there is no particularly sound logic to the pattern of proscription created by Britain's 1971 drugs legislation.

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