Don't let yourself be confused by a lawyer because you don't know what "liquidation preference," "right of first refusal," or "drag along/tag along" means.
不要因为自己不懂“清算优先权”(liquidation preference)、“优先承购权”(right of first refusal)，或者是“拖带权”(drag along/tag along)的含义，而被律师搞的晕头转向。
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In general, everything that you can do with JSON, you can do with the DOM, or vice versa; it's mostly about preference, and choosing the right approach for a specific application.