主语为复合名词 Cost-effectiveness，谓语为系动词 is，后接表语 a key factor。
Another girl, a college classmate of mine, entered the workforce a few months earlier than I did. During her first job, she frequently complained about the grueling workload and low salary, switching to a second position half a year after graduation. She took a planning role at a real estate platform, but the job was unstable with frequent changes in work location, and the pay still fell short of her expectations. Consequently, she quit after just one month. Later, she learned that a colleague who had joined the same company with her was doing quite well, which made her confess to me that she regretted leaving in such a rush.
Her third job was at a parent-child education magazine, backed by the platform of a local Youth Palace. She still found the work exhausting and the compensation inadequate, so she left after one year. Ironically, after her departure, the Youth Palace gained significant popularity, the magazine secured more projects, and the salaries of those who stayed increased substantially. She sighed again: Why does the company always improve right after I leave?
She is currently in her fourth role, working in internal publicity for an insurance company. She once told me that she couldn't spend her whole career as a low-level employee, yet major companies rarely hire inexperienced people for management positions. I suggested she consider joining a smaller company where it might be easier to rise to a management role, gain experience, and then transition to a larger corporation. She responded with a reason that left me both amused and helpless: "But smaller companies often have probation periods of three to six months, during which I wouldn't be able to pay the 'Five Insurances and One Fund.' It just doesn't seem cost-effective when you think about it."
我的另一位大学同学比我早几个月步入职场。在第一份工作中，她常抱怨劳累且薪资微薄，毕业半年后便转投第二份工作，从事房产平台的策划岗位。这份工作流动性大，工作地点频繁变动，薪资也未达到她的预期，因此她仅坚持了一个月便离职。后来听闻与她同期入职的同事在原单位发展顺利，她向我透露，当初的仓促离开令她感到些许后悔。
第三份工作在一家亲子教育杂志社，背靠当地少年宫这一成熟平台。然而，她依然感到工作强度大且回报不足，坚持一年后再次选择离开。令人讽刺的是，她离职后，少年宫的影响力迅速扩大，杂志社承接的项目也日益增多，留守员工的薪资随之大幅上涨。她再次向我感叹：为何每次她离职，公司似乎就进入了上升期？
如今她在第四家公司担任保险公司内宣职务。她曾向我倾诉，总不能在基层碌碌无为终老，但大型企业对管理岗通常要求丰富的经验。我建议她可以先尝试中小型企业，争取晋升管理岗位并积累经验，再谋求向大公司跳槽。她却给出了一个令我哭笑不得的理由：去小公司通常有三至六个月的试用期，这意味着期间可能无法缴纳五险一金，从经济账上算来似乎并不划算。