Apologizing is extremely important in most cultures.  Here in Thailand, people don't say "excuse me" or "I'm sorry." This is a major disadvantage because when I go to another country, I have to quickly turn off my "Thainess" and go back to civility (showing moral, character and compassion). It could be a big problem, especially in a country like Singapore.  So, here are some expressions for saying sorry and replying to apologies.

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