The sanitary condition is not good, therefore is not suitable USES the contact lenses.

卫生条件不好，所以不宜使用隐形眼镜。

youdao

The plateau is not suitable USES the contact lenses: plateau each traveling on-line, the dust is big.

高原不宜使用隐形眼镜：高原各条旅游线上，尘土大。

youdao

Still, their business attire is suitable for other uses if they wanted to.

FORBES: Taxing Professional Clothes

And its purity and large surface area make it suitable for medical uses too: from aiding drug delivery to building new tissue for regenerative medicine.

BBC: Is graphene really a wonder-material?

But when the trees are damaged they're only suitable for less-profitable uses, such as pulpwood for pulp plants or for biomass plants.

NPR: Sticky-Fingered Thieves Target Sap In Maine