Jacobian
[计] 雅可比
🗣️ 情景例句
What made you decide to study Economics?
你为什么决定修读经济学？
How much should people demand of their governments?
国民对其政府应该要求多少呢？
If I place an order now, when would you be able to ship it?
如果现在下单子，什么时候可以出货？