答案是投机必须通过库存的积累来起作用——实物库存积累。
The answer is, it has to work through accumulation of inventories — physical inventories.
黄色玛瑙：它是幸运的作用和财富积累。
Yellow Agate: It is the role of Lucky and accumulated wealth.
压力一直积累，直到减压阀起作用，接着压力复位。
Pressure builds up until the pressure relief device functions and then reseats.
压力一直积累，直到减压阀起作用，接着压力复位。
Pressure builds up until the pressure relief device functions and then reseats.
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