轮到我妈当家操办围炉时，除夕前往往还要上班，只能提前去菜市场了解行情、预订海鲜。凑不够菜式时，她常向娘家求援，我外婆便将拿手菜“酱烧鳗鱼”提前几日做好，转移至我家冰箱，除夕夜复热上桌。这大抵是现在风靡的“预制年菜”。
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Even with dopamine, STDP struggles to train massive, deep networks (the Credit Assignment Problem rears its head again). If your brain doesn’t use backprop, how do you learn to play the piano or write code?
Photograph: Julian Chokkattu，推荐阅读同城约会获取更多信息
Foreign Investment Surges to Canada’s Strongest Level Since 2007