统计数据显示:我国今年上半年累计入境旅游人数为5830.99万人次,比上年同期增长13.38%;全国旅游外汇收入测算数为142.21亿美元,比上年同期增长21.41%。这些数字给人以深刻的印象,说明旅游业对于我国国民经济有重要的贡献。但是到底这些数字是如何得到的,或者说明什么,则值得研 Statistics show that in the first half of this year, the total number of inbound tourists in China was 58,309,900, an increase of 13.38% over the same period of last year. The estimated foreign exchange earnings from tourism totaled 14.221 billion U.S. dollars, up 21.41% over the previous year. These figures give a deep impression, indicating that tourism has an important contribution to our national economy. But in the end these figures are obtained, or explain what, it is worth grinding