Now, our students all want to wrap red envelopes, and they negotiate the price themselves. Our coach can't afford the money, and the bag is voluntary, and he doesn't insist. 300 is the least, if the man doesn't pack it, unless you have no flaws in the opening, as long as you don't do it well, 90% will not pass.
For example, if you don't turn on the turn signal 3 seconds in advance when changing lanes, even if you turn on the turn signal, you won't look askance before turning on the light, and the rearview mirror will fall off.