What does the expression pack mean?

Accept, thank, respect, etc. Package fuel has different meanings in different situations. Give a friend the expression of holding a fist: received, understood, ok; Give a fist expression to colleagues: understand and admire; Send the expression of fuels to the leaders: Thank you. The image of the expression pack of fuels is a person with his hands folded and his head slightly bowed to show respect, honesty and modesty.