The character used to denote the start of line assertion.

用于判断行开始的字符。

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For example, with the cursor at the start of line 4 in Listing 9, you would type

例如，把游标放在 清单 9 中第 4 行的开头，按 Escape，然后输入

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While the efforts are certainly not futile, the results of such bans will likely only start to be seen by generations down the line, bettering the world for the future.

这些禁令旨在使未来的世界变得更加美好，虽然这些努力肯定不是徒劳的，但禁令的结果很可能只有子孙后代才能看得到。

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This is the start of the High Line Park, the first section of which opened in June 2009 and stretches north, crossing over 10th Avenue and through the Chelsea Market to West 20th Street.

BBC: Walking New York City��s High Line

And so despite my status as a running refusenik, I found myself herded, among a crowd of far fitter, healthier, sportier types, into a pen behind the start line, part of a sea of red t-shirted runners beneath a threatening gray sky.

CNN: Crossing the Olympic finish line

The Select Sector SPDR Industrial ( XLI) is up 6.8% since the start of the year and the weekly chart shows the breakout above resistance, line h, at the start of the New Year.

FORBES: Sweetest Sectors for 2013