Unless there are some tax effects, which might matter-- and taxes always complicate things--but disregarding tax effects, it doesn't matter which you do.

除非这里涉及到税负,可能会影响...,税款常常把问题变得复杂,但不考虑税的话,什么时候买是没区别的

耶鲁公开课 - 金融市场课程节选

They say they don't want to complicate an already difficult diplomatic dance with Khartoum.

NPR: Rice to Sudan: Cooperation or Confrontation?

If he doesn't name a conservative, that could complicate his already strained relationship with conservatives from across the country, which could spell trouble if Christie decides to run for the 2016 GOP presidential nomination.

CNN: Lautenberg leaves tricky political question for Christie

Their reasoning was that this would complicate payments, slow service and annoy customers who weren't accustomed to credit card-only sales on airplanes.

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