But we're going to see, very shortly, that in fact those collections could be arbitrary.

是一个整数的序列，我们可以认为它是按照数字依次来的。

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After examining divorce laws across the U.S., the commission concluded that such guidelines were "very, very arbitrary, " Mr. Kiernan said.

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Otherwise, decorating can be very arbitrary.

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So I cite those facts because it goes straight to the point about the very political and arbitrary action taken by some folks in Congress, by Republicans in Congress, to try to play political games with the payroll tax cut.

WHITEHOUSE: Press Briefing