He pointed out a line of mountains that appears from east to west in South Africa.

VOA: special.2010.01.12

This is really the guts of the algorithm 'cause this line here, someone pointed it out before.

这才是算法的核心，因为在这儿，之前已经有人指出过。

哈佛公开课 - 计算机科学课程节选

This is really the guts of the algorithm 'cause this line here, someone pointed it out before.

这才是算法的核心，因为在这儿，之前已经有人指出过。

哈佛公开课 - 计算机科学课程节选