区别是come in touch with表示的意思是来联系，强调动作。

touch with表示用…触摸或者与...一直保持着联系，强调状态。

例句：

1、It is a source of inspiration and strength to come in touch with the youthful David,trusting God.

读到年轻的戴维怎样信靠神，真能使我们得到鼓励和力量。

2、

As teachers, parents and farmers, our relationship with the earth can greatly helpthe young people whom we come in touch with.

作为教师、家长和农夫，我们与大地之间的关系，将对我们周围的年轻人及孩子产生极大的帮助。

3、

We will be able to come back to you on your questions or get in touch with you ifyou provide us your contact details.

如果您提供给我们您的联络方式，我们将可以在有任何问题的时候跟您联络。

4、

The 5C could come in an array of hues not unlike the touch or nano; the 5S couldexpand to models with a gold frame.

5C可能会拥有一系列颜色，跟Touch和Nano差不多；5S可能会增加金色边框的机型。

touch with

1、

For several years I kept in touch with her.

几年来，我一直和她保持联系。

2、

I shall get in touch with him tomorrow.

我明天和他接头。

3、

I got in touch with him immediately after I received the letter.

我接信后马上和他联系。

4、

My doctor put me in touch with a psychiatrist.

我的医生为我联系了一位精神科医生。