The in-memory sort operation can be made effective (from storage and computation standpoints) under the fact that each list li is ordered by itself.

如果每个列表Li由自已排序，那么内存内的排序操作(从存储和计算的角度)可以变得很有效。

youdao

As founder and president of the Shanghai-listed Dayang Trands, Li made the Forbes list of 400 Richest Chinese in 2005.

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Crouching Tiger, Hidden Dragon actress Zhang Ziyi ranked No. 2 in the overall list, and international film star Gong Li was No. 5.

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China Shineway's chairman, Li Zhenjiang, ranks 80th on the FORBES CHINA rich list.

FORBES: Correction Appended