班长熟练的打开了遥控器

"If only my father and mother were here, they would be very surprised to see it!"惊得合不拢嘴，连周篁也听呆了。At more than ten o'clock in the morning, four people came to the company, and the collection first controlled them. Of course, skin education is indispensable.In the above figure, using the-A option, It means "adding rules" in the corresponding chain, and-A means append, so-A INPUT means adding rules in the INPUT chain, while the-I option used in the previous example means "inserting rules" in the chain. As you must understand, their original intention is to add a rule, but-A means adding rules at the end of the chain, and-I means inserting rules at the beginning of the chain.Each replacement must be completed within 20 seconds, and the number of substitutions is not limited. The time for exchanging players is when someone fouls, fights for the ball, calls for a pause, etc. The referee may temporarily suspend the timing of the match.