Listing 4 adds logging to the third try block, logging just the method name for each part of the stack trace.

清单4向第三个try块添加了日志记录功能，只记录堆栈跟踪每部分的方法名称。

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Without any trace of fractures in its body, the bed is believed to be made out of a single agalwood block.

据信，这张没有任何损坏的古董床是由一整块沉香木制做而成的。

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This is very handy if you've seen a block of HTML in the output and wish to trace where it is stored within the database system.

如果你在输出页面上看见一整段的HTML代码并且想追踪它们被存储在数据系统中的位置时，这个工具将会十分便利。

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Health and safety officials have been checking gas appliances inside the flat to trace a leak, and the apartment block has been evacuated while tests continue.

BBC: Neil McFerran (l) and Aaron Davidson (r)

Developed by the company Traveler's Tales, the latest in the LEGO series, "LEGO The Lord of the Rings, " puts Frodo, Gandalf, Aragorn and the rest of the characters from "The Lord of the Rings" trilogy into block toy form as they trace storylines from the popular books and movies.

CNN: Lord of the Rings lines, as delivered by LEGO characters

Internet security firm Mandiant, which was hired by the Times to trace the attack, followed the hackers' movements for four months, to try to establish a pattern and block them.

BBC: New York Times 'hit by hackers from China'