买

mǎi to buy; to purchase

球

qiú ball; sphere; globe; CL:個|个[ge4]; ball game; match; CL:場|场[chang3]

平台

píng tái platform; terrace; flat-roofed building

打开

dǎ kāi to open; to show (a ticket); to turn on; to switch on

：bb77net fpi