「食水深」

(pos:形容詞)
yue:指船喺水底嘅部份好深
eng:(of vessels) having a deep draught (distance between the waterline and the bottom of the hull)
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<explanation>
yue:引伸指舖頭或者中間人賺嘅差額好多；謀取暴利；係歇後語「航空母艦」嘅後半部
eng:commonly used figuratively to refer to shops or middlemen making an unreasonably high profit
<eg>
yue:佢哋食水好深㗎，一條手鍊成本先至嗰幾十蚊，但係就賣到千幾蚊一條。 (keoi5 dei6 sik6 seoi2 hou2 sam1 gaa3, jat1 tiu4 sau2 lin2 sing4 bun2 sin1 zi3 go2 gei2 sap6 man1, daan6 hai6 zau6 maai6 dou3 cin1 gei2 man1 jat1 tiu4.)
eng:They make a huge profit margin. A bracelet costs well under a hundred for them, but they sell them up to over a thousand dollars each.
<eg>
yue:基金經理食水好深㗎，我啲強積金賺埋都唔夠蝕管理費！ (gei1 gam1 ging1 lei5 sik6 seoi2 hou2 sam1 gaa3, ngo5 di1 koeng5 zik1 gam1 zaan6 maai4 dou1 m4 gau3 sit6 gun2 lei5 fai3!)
eng:Fund managers are bloodsucking leeches. My MPF yields less than enough to cover their administration fees!