In situations like this, you can use SPARQL's alternative matches feature to write queries that return whichever of the properties is available.

在这种情况下，可以用SPARQL的替代匹配特性来编写查询，该查询返回任何可用的属性。

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Without this option, any read or write operation will return an error if the server wants a new handshake, setting the retry flag in the process.

如果没有这个选项，当服务器希望进行一次新的握手时，进行读或写操作都将返回一个错误，同时还会在该过程中设置retry标记。

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In fact, you can actually write the server-side script in any language that can be called from your Web server and return its result to the client.

实际上，可以用任何语言编写服务器端脚本，只要能够从Web服务器调用它并把结果返回给客户机。

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Thus, she pays her writers well, discouraging them from the normal practice among Chinese journalists of accepting envelopes full of money from firms in return for favourable write-ups.

ECONOMIST: How scared should corporate China be of Hu Shuli?

Many reporters are given medical journal articles under embargo, meaning they get to see them several days early in return for agreeing not to write about the results until they are published.

FORBES: Defending Esperion

Though already based in Southern California by then, Mr. Cale was inspired to write by his childhood in Wales, by a yearning to return to Europe, and by a return to music, literature and poetry.

WSJ: John Cale | Collision Course | By Jim Fusilli