As for difficult food supplies must come from the animal in the water. This type of animal is imported foods are beneficial to the body. Tom yum shrimp is delicious food for the students.
Is that you find difficult because materials must come from animals in the water. This animal is used to make foods with health benefits. Shrimp are delicious food for tourists as well.
The food is rare because the materials must come from animals in the water. This animal species used for cooking is beneficial to the body. Spicy food is good for tourists.