securing of the profit

例句：

1. 1. The company is securing a new contract with the government.
   该公司正在与政府签订新的合同。
2. 2. He secured his position in the company by passing the exam.
   他通过考试获得了公司在公司的职位。
3. 3. The security system was secured to prevent any unauthorized access.
   安全系统被加固以防止未经授权的访问。