Two analogies come to mind when I think about Groupon and LivingSocial: "churn and burn" and "pump and dump."

当我想到Groupon和LivingSocial时，两个类比形式出现在我的脑海，流失和灼伤；打气和泄气。

youdao

They have built also the high places of Baal, to burn their sons with fire for burnt offerings unto Baal, which I commanded not, nor spake it, neither came it into my mind.

又建筑巴力的邱坛，好在火中焚烧自己的儿子，作为燔祭献给巴力。这不是我所吩咐的，不是我所提说的，也不是我心所起的意。

youdao