But when I was searching for another word to mean a low degree of happiness, Google translated my native word to a total unfamiliar and strange word "Posterous". I was expecting the word "Pleasure" or something like that, but I got the word "Posterous" And I can't even find any definition for that word in Google. Is that even a word?

Which expression is right? Overall, the journey by a train is comfortable, cost-effective and safe. Overall, the journey by a train is comfortable, affordable and safe. I got this after searching on