What is the suggestion given by Sara to people thinking of living a simple lifestyle?
A、One basic rule is that if you don't enjoy a simplified life, you'd better not go in for one.
B、If you can save a certain amount of money, you can afford the things you wish to buy.
C、If you can limilt your desire, you can live a bettter life.
D、Read the book 99 ways to a Simple Lifestyle, and apply the suggestions in the book into practice