Should I use "dear" in a business email?

E-mail 別再用dear開頭！英文郵件常犯4個錯誤

ビジネスメール英語　Dear or Hi　｜　Vlog 英会話

寫E-mail不要再用Dear開頭！——寫英文郵件

寫E-mail 不要再用dear開頭了！—英文郵件怎麼寫？

Dear, oh dear: how not to start an email

When Should you use Dear Concern?

寫 E-mail 不要再用 Dear 開頭！——英文郵件怎麼寫？

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[비지니스영어] 설마... 아직도 비지니스 이메일 시작에 Dear 라고 쓰세요? | 수달영어 Otter English

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