长达600小时包驱蚊效力，采用植物萃取精华制成，纯天然安全有效！
Up to 600 hours package mosquito repellent effect, made from plant extracts, natural safe and effective!
如果书上建议的是天然食物，一般认为它比不是天然的食物要安全。
If the recommendation is on a natural food, then it is generally considered safer versus one that is not.
所以，最好的日常抗衰老护肤面霜应该是全天然成分的，因为天然成分是温和安全的。
So, the best daily anti-aging skin cream should contain all natural ingredients because they are milder and safer.
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