最安全的投资工具简介：In the afternoon, Su Can sat obediently in the classroom, listening to the teacher's lectures. He listened carefully. He used a red charcoal pen to outline the key points that the teacher said, and drew red wavy lines to mark them.
In the afternoon, Su Can sat obediently in the classroom, listening to the teacher's lectures. He listened carefully. He used a red charcoal pen to outline the key points that the teacher said, and drew red wavy lines to mark them.
