Tā bèi diào dào wàidì gōngzuò, jiùshìshuō tā zànshí búhuì huílái le.
He's been transferred to work in another city, which means he won't be back for a while.
Tips
usage
也就是说 (yě jiù shì shuō) is the fuller version and equally common. Both are used mid-sentence or at the start of a clause to rephrase, clarify, or draw a conclusion.
