讨论案例:张小姐从2001年6月起,即在天津市一私营公司工作。该年9月,双方签订了劳动合同,有效期限为4年,从2001年9月1日至2005年8月31日。合同中约定,公司每月从张小姐的工资中扣除20%作为违约保证金,扣满4000元为止,以防止发生跳槽等违反合同的行为。至2004年底,公司已扣满4000元。 Case study: Miss Zhang from June 2001 onwards, that is, a private company in Tianjin work. In September of that year, the two sides signed a labor contract, the validity period of 4 years, from September 1, 2001 to August 31, 2005. The contract stipulates that the company deducts 20% from Zhang’s salary every month as the default deposit, withholding 4000 yuan so far as to prevent the occurrence of job-hopping and other violations of the contract. To the end of 2004, the company has withheld 4000 yuan.