However, these forms of functional footwear aren’t multi-purpose; even the EasyTone trainers are limited in their use.

但是，这些功能性的鞋子不是多用途的。 就连EasyTone 运动鞋的用途也被限制在一定范围内。

youdao

Use general saline solution or purified water instead of expensive multi-purpose solution.

一般使用生理盐水或代替昂贵的多用途解决方案纯净水。

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Urban rivers and riverfront areas are commitments to multi-purpose, multi-use space, in which residents and visitors can interact with and experience their new surroundings in a multitude of ways.

城市河流和滨水区域本就应该是一个具有多功能和多用途的空间环境，在此环境中居民和游客可以各种方式进行互动和体验生活。

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But even then, not all iPod touch users necessarily use the multi-purpose device to play games.

FORBES: Nintendo Unimpressed By Steve Jobs' Reality Distortion Field

In the not-too-distant future, the choice between multi- and single-purpose devices may be less stark than it has been, as some single-use devices have been adopting the technical features and approaches of the app-based devices in order to stay relevant.

WSJ: Are Multipurpose Devices Better Than Products That Perform One Function?