In this type of "atypical marriage," explains Hung Li-wan, "the conjugal relationship was established primarily through the signing of contracts, and it was sometimes termed a 'contract marriage.'"
這樣不同於一般明媒正娶的「變例婚姻」，「婚姻成立的關係以契約的簽訂最為重要，又稱契約婚」，洪麗完解釋。