"我从中受益匪浅" 的英文等价语是 "I have greatly benefited from it."
来源：这个短语是由两个词组组合而成的："受益"和"匪浅"。 "受益" 的意思是"to benefit from"，而"匪浅" 的意思是"deeply, greatly"。
例句：
I have greatly benefited from this experience. (我从这次经历中受益匪浅。)
I have greatly benefited from this opportunity. (我从这个机会中受益匪浅。)
I have greatly benefited from this training. (我从这次培训中受益匪浅。)