We still do not know about heavy users, long-term users, or children as users.

但对于重度用户，长期用户及儿童，我们还没有确定的结论。

youdao

Aim: To evaluate brain tumour risk among long-term users of cellular telephones.

目的：评估长期使用手机的使用者之脑瘤风险。

youdao

However, in long-term users, we found a signal.

然而，在长期使用者中，我们发现一个信号。

youdao

Furthermore, it has been noted that misclassification of subjects would have been minimal for long-term users.

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"If we start asking for information like pictures and videos, we're going to hurt our business long term because users won't trust us, " he said.

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Certain epidemiologic studies (mainly from a single group in Sweden) indicate an elevated risk of glioma (the most malignant type of brain cancer) in long-term users of cell phones.

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