At Carl og Lily ligner hinanden kan tolkes på den måde, at de har en forbindelse og tilknytning til hinanden, der gør, at det er uundgåeligt, at de finder sammen.
The Carl and Lily are similar may be interpreted in the sense that they have a connection and attachment to each other, which makes it inevitable that they find together.
Carl and Lily are similar can be interpreted in the way that they have a connection and attachment to each other, which means that it is inevitable that they come together.