这种事儿很常见。离开公司了,同事、老板回头问这问那。你说的对,要冷静,别情绪化。加一句:不要把送上门的钱退回去。For the best of our own interests, 回信:
Dear Johny,
Glad to hear from you. I'd love to offer my expertise to the company on this issue. I can solve the problem to make the life easier for the team. My hourly rate is $200 per hour, or you want to recruit me back to the gang...