1. User satisfaction
Collect user satisfaction with the product through surveys, online evaluations, and other methods to understand user evaluations of product functionality, performance, usability, and other aspects.
3. Customer retention rate
Pay attention to the continuity and loyalty of users in using the product, understand whether users are willing to use the product for the long term, and the value and attractiveness of the product to users.
In the PPT courseware, list the core vocabulary related to the reading materials and provide example sentences and explanations to help students understand and remember.
Reading comprehension exercises
Multiple choice exercises are a common type of reading comprehension exercise They believe of a series of questions with four or five possible answers, and students must select the correct answer from the given options These exercises are designed to test students' understanding of the reading material and their ability to analyze and evaluate information critically