Summer Vacation Security, Beautiful Owners Are Vying to Let Me Come to Their Door

After the college entrance examination, in order to pay for tuition, I applied for a job as a security guard during the summer vacation. "Boy, we are short of people here, but as a security guard here, you are also responsible for helping customers come to repair some things. Do you know the repair skills?" "Yes, I only like to talk about some household appliances." "Do you know Kung Fu?"...