He knew it bored me to death to sit in the office with the boring part of my work, and that I would rather bolt out of the office at every opportunity to do fieldwork, thus avoiding this bore.

他知道坐在办公室里干着乏味的事会使我厌烦至极，知道我宁愿抓住每一个机会冲出办公室去做现场调查以躲避令人讨厌的事。

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Even better, if they held the business until death, their heirs would get a "step up" in its basis, thus avoiding the gains tax, too.

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