(pos:名詞)
<explanation>
yue:同貿易有關嘅生意（量詞：單／宗）
eng:deal; business; trade; transaction
<eg>
yue:做買賣 (zou6 maai5 maai6)
eng:to do business; to engage in trade
<eg>
yue:小買賣 (siu2 maai5 maai6)
eng:small business
(pos:動詞)
<explanation>
yue:#買 入同#賣 出
eng:to buy and sell; to trade
<eg>
yue:買賣股票要注意投資風險。 (maai5 maai6 gu2 piu3 jiu3 zyu3 ji3 tau4 zi1 fung1 him2.)
eng:One should note that buying and selling stocks involves risk.