西西与维奥拉

摘要： https://www.jianshu.com/p/44e3de9b7a81原文链接 paste("a","b") #能连接a b ## [1] "a b" paste("a","b","c") ## [1] "a b c" #设置分隔符 paste("a","b",sep = "=")##注意到用 阅读全文