如何添加两个文本对象

How add two text objects

如何将两篇文章的信息相加?示例:

obj1 <- c("A","E","I","O","U")

现在,我怎样才能拥有带有“BA”、“BE”、……“BU”的对象?我试过了:

obj2=c("B"+ obj1)

但是没用。

如果这是在 R 中,

obj1 = c("A","E","I","O","U")
obj2 = paste("B", obj1,sep='')`