ESV: Again, if two lie together, they keep warm, but how can one keep warm alone?
NIV: Also, if two lie down together, they will keep warm. But how can one keep warm alone?
NASB: Furthermore, if two lie down together they keep warm, but how can one be warm alone?
CSB: Also, if two lie down together, they can keep warm; but how can one person alone keep warm?
NLT: Likewise, two people lying close together can keep each other warm. But how can one be warm alone?
KJV: Again, if two lie together, then they have heat: but how can one be warm alone?
NKJV: Again, if two lie down together, they will keep warm; But how can one be warm alone?