Thanks for your response.
In the sample essay in your website, I saw this in the last paragraph.
A background in financial reporting and servicing Asia-Pacific business clients. The ability to converse fluently in Chinese. An understanding of Chinese, Japanese, and American cultures. I will bring these qualities to the Top School program and ultimately to my career in international investment management.
I wonder if it is OK to write like that because it does not look like standard written English.
Excellent question. You are right. Those are sentence fragments, not complete sentences. Sentence fragments can and are used
for emphasis. But realize there is a difference between knowingly using a fragment for emphasis and just making mistakes. Also if you abuse the technique and overuse them, the essay will be at best choppy and at worst incomprehensible.