How do trade-offs and opportunity costs relate to making personal economic decisions?

what are the events?

it teaches readers about an interesting chinese custom and causes them to determine that the minister is trying to be polite

it´s related to his charming character.

beauty is not everything, although we can joke that girls only care about the physical or material aspect, the truth is that a real woman looks at more important things, besides intelligence and personality, there are other attitudes that make irresistible to men who are 'unattractive'.

for example develop your sense of humor.

c- companies fail to take environmental protection into account. i think