Cover of the textbook Focus 1 - Student's Book

The key answer of exercise 4

The key to exercise solutions in chapter 3.7 - Writing for the textbook Focus 1 - Student's Book with authors Patricia Reilly, Marta Umińska, Bartosz Michałowski and Rod Fricker from Pearson Education

Question

Read the second email. Why is it better?

Answer

There is more information, it's more polite.