The open and close brackets ([and]) mark the beginning and end of the code block, respectively.

开方括号和闭方括号([和])分别标志代码块的开始和结束。

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The Midsummer pole (right) is raised to mark the beginning of the village's festivities.

图中右侧的仲夏柱竖起来了，标志着村里庆祝活动的开始。

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The quotation marks are not part of the string but serve only to mark its beginning and end.

双引号本身并不是字符串的一部分，仅仅表示开始和结尾。

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Some lawmakers say stopping Saturday delivery could mark the beginning of the end of traditional mail.

VOA: standard.2010.04.13

The holidays mark the beginning of a new year for Jews.

VOA: standard.2009.09.26

The Egyptian government is still pegging growth during the current fiscal year at 3.5% to 4%, but economists who closely track the Middle East and North Africa region, known as MENA, are beginning to mark down expectations.

CNN: Egypt president's tricky game of power

However, he thinks the day could mark the beginning of cataclysmic times introduced by a disaster.

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But do these moves really mark the beginning of the end for the magnetic stripe?

FORBES: Have We Seen The Last Of Credit Cards As We Know Them?