Then lillain called the roll and said, "monitor, you can answer the difference between the secondary line and the main line."

Shang Jianming stands up. He has always been the glory of his class.

Shang Jianming is indeed the school bully in the class. Shi ran said: "the difference between the sub line and the main line lies in the mind. Because the array comes from people's heart, secondary line and main line, it's better to make no difference, so it's a good array. "

"good!" There was a flash of approval in laelaine's eyes. "OK, monitor, sit down. Do you remember that, too? What's the difference between the main...