Mr. Yang's abbreviation can be written as "Mr. Y" because his last name is Yang and "Mr." is a common abbreviation for Mister. This abbreviation is clear and concise, making it easy to understand and use in written or spoken communication.
The reason for using this abbreviation is to make it easy to refer to Mr. Yang without having to write out his full name each time. It is also a polite and respectful way to address someone you may not be familiar with.
Overall, using "Mr. Y" as an abbreviation for Mr. Yang is a simple and effective way to refer to him with respect and efficiency.
