even though能不能和but同用?

even though和though even though 和 though even 和even though区别 even if 和though though和even though有什么区别 even so和even though的区别 even though 和even so 的区别 关于even if和 even though despite 和even though athough even though的区别 even though~~ though能不能和and连用 although 和even though 和even if 的区别