So, it's awkward to have to wait for a cow to get infected before you can vaccinate a population.
在给人们预防接种之前,你只有干等着,直到有一头奶牛感染了病毒才行
and then I worked in an auction house; "Christie's", for a year before applying to come back to graduate school.
在我申请研究生院之前我还在佳士得拍卖行工作了一年。
Just before we go any further, notice that really this is the same basic market we looked at before.
在进一步讲解之前,请注意这是跟,之前学过的基本市场一模一样
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