<prompt> tafadhali geuza maudhui haya ya swahili kwenda kwa kiingereza.maelezo rahisi ya marogo ni kama ifuatavyo: kwa kiwango kidogo, unaweza kufungua biashara kubwa, labda mara mia kadhaa zaidi.  <response>: a simple explanation of margin is as follows: for a small amount, you can open a larger trade, maybe several hundred times more. 