加拿大单双算法简介：Sun Jie nodded noncommittally: Since Mr. Xiao has spoken in person, I can let one of them go. As for which one to put, it is up to you, Mr. Xiao, to choose.
Sun Jie nodded noncommittally: Since Mr. Xiao has spoken in person, I can let one of them go. As for which one to put, it is up to you, Mr. Xiao, to choose.
