source nation造句

Early at the end of the twentith centmp , a long - term prediction about l world traveling development has been announced by wto ( world travei organization ) . they said f in 2020 , china will become the biggest reception country of world tourism , and the annual number of international travelers will amount to l30 mllion . also by that time , china will become the no . 4 biggest international tourist source nation , l 00 million chinese will stfide out our naton
早在20世纪末，世界旅游组织( wto )关于世界旅游发展的长期预测报告就已指出，道2020年，中国将成为世界国际旅游的第一大接待国，年接待国际旅游者将超过1 . 3亿人次，届时，中国还将成为世界第四大国际旅游客源国，将有亿万中国人迈出国门。
It's difficult to find source nation in a sentence. 用source nation造句挺难的