Common beginning or ending to a sentence. It can serve to:
1. provide an excuse for why one has not yet done something.
2. suggest a vague intention of doing something later (similar to how Spanish speakers use the word "mañana.")
3. add minimal credibility to an idea that is a pipe dream.
> 1. There's no point in looking for a job until the economy picks up.
> 2. I'll start my business when the economy picks up.
> 3. Unemployment levels will go back down to the levels they were in the late 1990s when the economy picks up.