为了方便喝水，你需要买一个可多次使用的水杯，一是它比较省钱，二是你可以带着水杯到处走，想喝就喝，这样无形之中喝的水就多了。
Buying a reusable water bottle and refilling it will help you save money. It will also help you to drink more water because you can take the bottle with you wherever you go.
本实用新型结构简便，使用舒适，兼有磁疗效果，是一种不可多得头部保健按摩产品。
The utility model has the advantages of simple structure and comfortable use, has the effect of magnetic therapy and is an ideal health-care and massage product for heads.
另外，alternative应当意味着总共只有两种可能性，而option可多可少，不过很多人在有两种以上可能性时也使用alternative。
Also, alternative should imply that there are only two possibilities, while there can be any number of options, although many people use alternative where there are more than two.
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