介系词with的基本含义是"和……在一起"，强调随同，携带比较大的物品，如umbrella、recorder要用with，物体有某种异常状况时也要用with，如：
Do you have any money with you?
There is something wrong with her.
Something has gone wrong with the computer.
He took a laptop with him when going on a journey.
Don't forget to take the dictionary with you.
to的基本含义是到，向，往，表示随同和伴随时，常用在以下的短语中：
They danced to music.
希望我能帮助你解疑释惑。
