阶梯倍投法简介：Haha, no one has grabbed all the red envelopes above! Then Xiao Xiaobai clicked on a red envelope that was close to him. Seeing the gold ingot rotating on the screen of his mobile phone, he couldn't help but look forward to it.
Haha, no one has grabbed all the red envelopes above! Then Xiao Xiaobai clicked on a red envelope that was close to him. Seeing the gold ingot rotating on the screen of his mobile phone, he couldn't help but look forward to it.
