Because they have an alternative use, of course.

当然是因为它们的日常性用途。

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Alternative use of improved particle swarm optimization neural network BP algorithm weight value.

利用改进粒子群算法替代BP算法优化神经网络的权值系数。

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Until recently, however, Silicon Valley did not take much interest in the alternative use of its principal raw material.

然而，直到近几年，硅谷（电子科技产业中心）才开始对这种基础天然物质的其他用途产生兴趣。

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"And,that is a very worrisome thing. The alternative,however,is even worse, which is,if we do not use them, then we definitely know that we are not going to be getting any assistance out there,"

VOA: standard.2009.08.07

It is--at least, it puts itself out there as a candidate to be an alternative term that one might use if one got tired of saying "irony" or "paradox."

如果“讽刺“，“悖论“一类的词,用的太多,可以用“朦胧“来替换“

耶鲁公开课 - 文学理论导论课程节选

He said alternative use would have to be found for some of the accommodation previously filled by the youth market.

BBC: British tourists flock to enjoy the nightlife in Faliraki

Campaigners had fought moves to use the lake for dumping waste ash from Didcot power station until owners Npower found an alternative use for the ash in 2008.

BBC: New Thrupp Lake wetlands centre appeal begins

Chua told CNN that she and Tan had taken technology and processes commonly used in air conditioning and air purifying units and adapted it for an alternative use.

CNN: Ioning your way to cleaner clothes