I can't imagine ever goingaway on vacation and coming back with less than I took. Usually the suitcase,or the back of the car will be 16 to capacity. Last time itwas a set of wooden rowboat oars and a captain's wheel that I 17 in bric--a-brac(小玩艺儿)store during our family holiday along the coast. I decided my"finds"were too good to leave 18 . And it seemsI'm in good company.Shopping is a major part ofbeing a 19 , taking up to one-third of our vocation budgets.And with the World Bank 20 over one billion people travelfor leisure outside their own countries each year, the mind is shocked at howmuch money we spend on souvenirs to 21 us of our adventures.It starts at the airport dutyfree stores, 22 on the plane, and ramps up(增加) at the hotelsurrounded by gift 23 and at the crowded local markets andlandmarks. If we're very 24 ,it persists on the special bustours that take us round town and end up at a discount store 25 bythe driver's cousin.So why do we all get the 26 to snap up foreign items on holiday? And is it 27 toensure those never-to-be-repeated purchases are worth every dollar or euro? To 28 what's going on, I asked family, friends and work colleagues tounpack their gift stories.Whether it's' the spare timevacation 29 us to browse(浏览) shops for non-essentials，or the exciting atmosphere of a new location, or the aching need tohave 30 we've been away, there are common themes to ourholiday buying. We'd better keep in mind some rules next time we venture fromhome. 请选择恰当选项填入（23）