as above, saying, "He should pay the price in advance for a specified measure and for a specified period."
وَقَالَ فَلْيُسْلِفْ فِي كَيْلٍ مَعْلُومٍ إِلَى أَجَلٍ مَعْلُومٍ
[Machine] The Messenger of Allah ﷺ arrived while they were borrowing. He said, "Whoever borrows should not borrow except with a known measure and weight."
قَدِمَ رَسُولُ اللهِ ﷺ وَهُمْ يُسْلِفُونَ فَقَالَ مَنْ أَسْلَفَ فَلا يُسْلِفْ إِلا فِي كَيْلٍ مَعْلُومٍ وَوَزْنٍ مَعْلُومٍ
Request/Fix translation
"مَنْ أَسْلَفَ في شَيْءٍ، فَليُسْلِفْ في كَيلٍ مَعْلومٍ وَوزْنِ مَعلُومٍ إِلى أَجَلٍ مَعْلُومٍ".