"When you're in a lab the whole time, in dark rooms looking down microscopes, it's easy to lose touch with why you're doing this, " he says.

你若一直待在实验室，在黑漆漆的屋子里对着显微镜，你便很容易忘记做这些事的原因。

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This is far from ideal, because in doing so, you lose any data every time the model changes.

这不够理想，因为这样做在每次模型变化时都会丢失数据。

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