主要原因之一的英文

如果原因有几项,是否改为Thesearethereasonswhy...
There is often confusion about the usage of \"That is the reason why\" and \"This is the reason why,\" as both phrases essentially mean the same thing - \"That/This is the reason for...\". However, in authentic English expression, \"That\" is more commonly used.
欧洲为什么要接受难民?
欧洲国家接受难民的主要原因之一是欧盟签署了难民接纳政策,而且欧洲一直以来坚持人道主义立场。中东国家是难民的主要来源地,联合国预计,仅约旦的难民人口就...



