There are many commonly held beliefs about eyeglasses and eyesight that are notproven facts.
有许多关于眼镜和视力的普遍认知是未经证实的。
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Universalists retort that such neo-Whorfians are finding trivial surface features of language: the claim that language truly constricts thinking is still notproven.
Taking supplements is notproven to be as effective as a healthy diet in reducing the risk of cancer, and some supplements have been shown to be harmful in other ways.