Guangdong morning tea.I miss the time Hebaba used to be in Shenzhen!Sleep a lot on weekends!Get up for a morning tea!Watch a movie!Or go home after shopping and continue to sleep.The morning tea here should be called afternoon tea[Black Line]Open at 10:30!No one at 11 o'clock!The taste is even worse!Why do you pour some chili in the boiled cabbage heart!Also put fish sauce[surprised].Just the ribs.Money belly and chicken feet do not[crazy]at all.吃这顿饭[泪]

Guangdong morning tea.I miss the time Hebaba used to be in Shenzhen!Sleep a lot on weekends!Get up for a morning tea!Watch a movie!Or go home after shopping and continue to sleep.The morning tea here should be called afternoon tea[Black Line]Open at 10:30!No one at 11 o'clock!The taste is even worse!Why do you pour some chili in the boiled cabbage heart!Also put fish sauce[surprised].Just the ribs.Money belly and chicken feet do not[crazy]at all.吃这顿饭[泪]

我觉得玩model读model，不是说model本身有多难，觉得难是因为的确不易读，写model时更不易想。模型为了描述现实，为了易演绎，做了很多抽象，集中体现在notation十分多，每个notation含义十分丰富、背后的explicit/implicit的假设十分多。你要是对这套notation不太熟悉，就得花一番功夫去搞懂那些notation到底表达了什么意思，推导出了什么结论。每篇文章的notation和背后的假设可能都不一样，因此都需要重新去理解那些notation。当然了，理解的程度和速度还是取决于你的基本功。