即使做什么事为时已晚她甚至都不抱怨，因为要想当个大夫可是太不容易了。
She didn't even complain until it was too late, because going to a doctor was too much trouble.
对于任一摩尔分数，去预计它穿越相图，会做什么并不容易。
It's not easy to calculate a priori what it's going to do all the way across the phase diagram for any mole fraction.
回到1993年代不容易那是，也有感觉赛车可以做什么，但那时的赛车更容易滑行。
It is difficult to go back to 1993 and have a feel for what the cars used to do, but it was a lot easier to slide the cars, definitely.
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