✔ 最佳答案
No don't leave it blank. Write a short paragraph. Here is a sample.
Dear HR,
I would like to apply to your ____ potition. I have 3 years experience in
____, ____ and ____, working for established companies. I believe my
skills will fit well to this position. Attached is my resume. Please contact
me if you have any questions. Thank you.
Sincerely,
XXXXX