【英语逻辑的问题Ofcourse,thetrainisthemostefficienttransportationinChina.Chinaisafairlybigcountrywithitslargenumberofpopulationandtheneedofresourcessuchasfoodandproducts.Thetrainhastwoadvantages.Oneischeap,theot】

　　英语逻辑的问题

　　Ofcourse,thetrainisthemostefficienttransportationinChina.Chinaisafairlybigcountrywithitslargenumberofpopulationandtheneedofresourcessuchasfoodandproducts.Thetrainhastwoadvantages.Oneischeap,theotheristhestrongabilityofload.ThusthetrainisthebestsolutiontoChina.Forexample,billionsofChinesepeoplegohomebytrainattheSpringFestival,wherethetraincannotbereplacedbyanyothertransportations.

　　这么写总感觉第二句和第三局之间有些突兀,但是也感觉正确.有没有必要修改?