It can be not too careful to use online shops与It can not be .两句意思相同吗?

问题描述:

It can be not too careful to use online shops与It can not be .两句意思相同吗?

应该是IT can not be too careful to use .不应该把not放在be的后面.not...too ...to表示的意思是“再...也不过分.”
这句话的意思是:在网上购物千万要小心.