Why does the employee sign a blank check, so to speak, in entering upon employment?
为什么雇员在参加工作时要签署一个堪称空白支票的东西?
I also issued them a passport, put their picture in it, had them sign their names, check to see how they know their addresses.
我还给他们每人发了一个护照,把他们的照片放在里面,并让他们签名,从而检查他们。
He: "We require every employee to sign a card during check-in and check-out of the document."
他说:“我们要求每一位员工在登录和注销时都签署一张卡片。”
I also issued them a passport, put their picture in it, had them sign their names, check to see how they know their addresses.
我还给他们每人发了一个护照,把他们的照片放在里面,并让他们签名,从而检查他们。
I differentiate a second time and check the sign, so the second order condition, I differentiate this expression again with respect to q1.
我们对它进行二次求导然后看符号,这个式子的二阶导数,就是一阶导数再对q1进行求导
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