Question:
Goal: How to prevent a phone from overheating in the car?

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
When not in use, wrap the phone in a cotton pouch and then place it in the cubbyhole

Question:
Goal: how to keep black fabrics black

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
add 2 cups brewed coffee or tea to the rinse cycle.

Question:
Goal: What kind of tools and materials do you need for an outdoor shelter?

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
Canvas, wood boards, hammer, saw, nails, and a piece of land.