博

bó old variant of 博[bo2]

bó extensive; ample; rich; obtain; aim; to win; to get; plentiful; to gamble

久

jiǔ (long) time; (long) duration of time

担保

dān bǎo to guarantee; to vouch for

网

wǎng net; network

论坛

lùn tán forum (for discussion)

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