About unapproved sentences
You may see some sentences in red. These sentences are not approved by Tatoeba's community. They raise copyright issues or are otherwise problematic. If you are a contributor, please avoid translating them.
It is clearly shown in Johnson's investigation that passive smoking is very harmful.
- Feb 5th 2011, 18:49
- Apr 15th 2011, 00:25
- Apr 15th 2011, 00:26
- Sep 22nd 2011, 05:28
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NOTE: If the sentence does not belong to anyone and you know how to correct the mistake, feel free to correct it without posting any comment. You will have to adopt the sentence before you can edit it.