即使想参观一下这套未完工的公寓，也需要开具一张相当于要价5%（2190万港元）的银行汇票。
Even viewing the unfinished flat, sold by developer Henderson Land, required a bank draft of 5 per cent of the asking price, or about HK$21.9m.
买方对卖方开具的见票后20天付款的跟单汇票于提示时应予以承兑，并应于汇票到期日付款。
The Buyer should accept the documentary draft at 20 days’ sight upon the presentation and make payment on the maturity.
承兑交单：买方应对卖方开具的以买方为付款人的见票后天承兑跟单汇票，承兑交单。
The buyers shall duly make the payment against documentary draft made out to the buyers atsight by the sellers.
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