He has rich experience in teaching English.
他在教英语方面有经验。
Aunt Chen has rich experience in teaching. And she is very kind and friendly.
陈阿姨有丰厚地讲授经历，她又很好。
He has been teaching college English for over 30 years, therefore obtained rich experience.
从事大学英语教学已经30多年，有着丰富的教学经验。
He has been teaching college English for over 30 years, therefore obtained rich experience.
从事大学英语教学已经30多年，有着丰富的教学经验。
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