这个投票以一个“夫妇们如何节省开销但又不降低生活质量”的熟悉场景开场，但很快，心理学家们投入到了一些像编制白皮书那么严谨的研究中去。

It starts off with a familiar anecdote about couples making do with less, but soon jumps into some actual white-paper-style research.

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能够在任何场景中进行交流，熟悉语言结构并掌握在生活环境中运用英语的能力。

To be familiar with the language struture and to be able to use English competently in a number of different situations.

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