—— 请按键盘 空白键 开始游戏 ——

What you actually pay for something is at least twice the listed price because of the energy, time, money needed to set it up, learn, maintain, repair, and dispose of at the end. Not all prices appear on labels. Actual costs are 2x listed prices.
I've had to learn to fight all my life - got to learn to keep smiling. If you smile, things will work out.