What is shown in the table above indicates that dramatic changes have taken lace in the people's daily expenses in Xi'an from 1995 to 1999.The expenses on food have declined by 30% while those on clothing and recreation have increased respectivily by 9% and 7%.The statistics of rise and fall seem to exist in isolation but closely related to one another.

　　上表中显示的数据表明，从1995年到1999年，西安人的日常支出发生了很大变化。食物支出下降了30%，服装和娱乐支出分别上升了9%和7%。上下波动的数据似乎独立存在，但是相互之间却紧密联系。