求翻译：按照法律计算雇员的年资，年资以员工在加入公司时提供的工作经验和保险缴纳记录为依据；不能证明的工作履历是无效的是什么意思？

In accordance with the law to calculate employees' seniority, years of work experience and insurance to pay employees joined the company recorded as a basis; can not prove work history is invalid

In accordance with the law for calculation of an employee of the year, and years of service to their employees to join the company in providing the work experience and the insurance payment is based on records; it cannot be proved that the work experience is not a valid

The work experience calculates employee's period of service which under the law, the period of service when joins company provides by the staff and insures the payment recording is the basis; Cannot prove the work personal history is invalid

Calculated in accordance with the law the employee's seniority and seniority employees joined the company provides work experience and insurance payment is based on records; work is not prove track record is invalid

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