on or before the expiry of the paym

on or before the expiry of the payment period or the extended payment period, as the case may be, the purchaser shall

Results (Chinese) 1:

上或付款期或延长的付款期限届满前，视情况而定，买方应

Results (Chinese) 2:

或付款期限或延长付款期限届满前，视情况而定，买方应

Results (Chinese) 3:

或者在付款期限届满或延长付款期限届满前，如有可能，买方应