1. There are hundreds of tourists who take part in this four-island tour every day, so the route is very mature and the price is very cheap; 2. It is recommended not to participate in any additional ticket-buying activities, because it is expensive and not fun, such as 120,000 visits to an aquarium; 3. Do not have any prejudice to lunch, because the group fee is very cheap and nobody forces you to consume, so what is the right way to open it? 4. Remember to wear swimsuits and go out; 5. Finally, emphasize the tuition fee: 15-200,000, do you understand what I mean?