给他介绍方法和建议，提一些好的意见和鼓励祝福的话！！！
Dear Jack,
Welcome to China!
As we know,Chinese is spoken by more and more people.
And it may not be as difficult as you think.
First,you can join some Chinese classes to study Chinese,
and you can also listen to TV program that about Chinese.
And next ,you could read some newspaper.
At last,try to chat with others in Chinese ,it's good for improving your Chinese speaking skills.
I wish you will have fun in learning Chinese!
Best wishes to you!
Your sincerely,
Li Ming
Welcome to China!
As we know,Chinese is spoken by more and more people.
And it may not be as difficult as you think.
First,you can join some Chinese classes to study Chinese,
and you can also listen to TV program that about Chinese.
And next ,you could read some newspaper.
At last,try to chat with others in Chinese ,it's good for improving your Chinese speaking skills.
I wish you will have fun in learning Chinese!
Best wishes to you!
Your sincerely,
Li Ming
参考资料：by myself
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