Owner 和owners 都是業(yè)主或者老板的意思，只是前者是單數(shù)，而后者則是復(fù)數(shù)，區(qū)別可以從以下例子看出：

There are many owners for this block, I am the owner of small shop, therefore many issues have to be discussed with others. 這個街區(qū)有很多業(yè)主，我是小店的老板，所以很多問題要和別人討論。