原文: OFFICER:And what did your wallet have in it? LOUISE:Well,fortunately I don’t keep my credit cards in that wallet-I keep them with my passport in an inside compartment in my backpack.But there was quite a bit of cash there...about£250 sterling,I should think.I withdrew(取钱)£300 from my account yesterday,but I did a bit of shopping,so I must have already spent about£50 of that. 这段话里设置了一个小小的计算,昨天取了300英镑,花了50英镑,较后剩下250英镑 答案:250(不需要填写英镑的钱币符号)