1.be obsessed with 沉溺于······

例句：This is a story about a world obsessed with stuff.

這是個關于沉溺于物質的世界的故事。

2.be in crisis 處于岌岌可危的狀態

例句：It's a story about a system in crisis.
這是個關于沉溺于物質的世界的故事。這是關于一個岌岌可危的系統的故事。

3.step in干涉，介入

例句：The good thing is that when we start to understand the system, we start to see lots of places to step in and turn these problems into solutions.
好消息是，當我們開始了解這個系統，我們開始看見許多能夠干預之處，并將這些問題轉變為解決方法。

4.It turned out to be 被證明是

例句：It turned out to be one of the dumbest moves in advertising history.
那最后變成廣告史上最蠢的舉動之一。