allowance for abrasion

例句：

1. 1. The companyprovides an annual allowance of $500 to employees.
   公司每年给员工提供500美元的津贴。
2. 2.He has been given an allowance of $100 per month for his disability.
   他每月被给予100美元的残疾津贴。
3. 3. The school provides an allowance for students who need extra help with their studies.
   学校为需要额外学习帮助的学生提供津贴。