买

mǎi to buy; to purchase

球

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

哪个

nǎ ge which; who

平台

píng tái platform; terrace; flat-roofed building

最好

zuì hǎo best; (you) had better (do what we suggest)

用

yòng to use; to employ; to have to; to eat or drink; expense or outlay; usefulness; hence; therefore

网址

wǎng zhǐ website; web address; URL

：bt55net 手

shǒu hand; (formal) to hold; person engaged in certain types of work; person skilled in certain types of work; personal(ly); convenient; classifier for skill; CL:雙|双[shuang1],隻|只[zhi1]

输

shū to lose; to transport; to donate; to enter (a password)