M4 U1 words and expressionsexplanations
1. advertise  advertising   advertisement   
2. persuade  v.   persuasive  adj.   persuasion  n.   How can we persuade him to join us?   How can we persuade him into joining us?   How can I persuade you that I am sincere?   There was no way she could persuade him of her innocence.   I'm trying to persuade your dad to buy some shares.