Note that we can also use as and whilst in the same way, although they sometimes sounds more formal or literary As the sun went down, I sipped a rum and coke on the balcony. I sipped a rum and ...

Note that we can also use as and whilst in the same way, although they sometimes sounds more formal or literary As the sun went down, I sipped a rum and coke on the balcony. I sipped a rum and ...