cos

used for giving a reason or explanation

porque, ya que, dado que

• cos + clause

Collocations cos it's raining · cos you're late

• I didn't go out cos it was raining.

  No salí porque estaba lloviendo.

used to refer to something in a general way, especially when talking about the same thing as someone else

cosa, cosa que, lo

• cos + noun

Collocations that's a good cos · what's the main cos?

• That's a good cos, but it might not work.

  Eso es una buena cosa, pero puede que no funcione.