second job

基本解释

Its second job, once an expression has been deemed valid, is to break the input stream into its component pieces and deliver those to you in some useful fashion.
一旦认为某个表达式是有效的，则它的第二项工作是将输入流分解成其组件块，并以某个有用的方式将它们提供给您。
Although moonlighting sounds like a good way to earn extra income or make up for pay cuts, career experts say workers should think twice before taking on a second job.
虽然从事第二职业听起来是个赚外快或弥补收入减少的好办法，但就业专家表示，人们在打第二份工之前应该三思而后行。
So recently, I took on a second job: assistant coach for Sasha’s basketball team.
因此，最近我担当了第二份工作，成为萨莎她们篮球队的助理教练。

When Betty Friedan became pregnant for the second time, she was dismissed from her job at the newspaper.
So I am willing to introduce these ideas but A, because it's not my training and people who are focusing on cultural differences will do a much better job than I do; and second, because what I hope to look into is the universal, things are common across cultures.
所以我想介绍这些观点，但是首先，因为这不是我的专业,研究文化差异的人会比我做得更好;,其次，因为我所希望研究的是普遍事物，不同文化中普遍的东西。
哈佛公开课 - 幸福课课程节选
In other words, your job is to guess a function whose second derivative is a, and this is called integration, which is the opposite of differentiation, and integration is just guessing.
换言之,你的任务是要猜出一个二阶导数为a的函数,这就是积分,和微分恰恰相反,积分就是猜
耶鲁公开课 - 基础物理课程节选

It is become an honorable profession versus a second job to get through school.
FORBES: Which came first, the bartender or the guest?