1ADV-GRADED [ADVERB before verb]毫无疑问地;明显地 You use evidently to say that something is obviously true, for example because you have seen evidence of it yourself. 毫无疑问地;明显地
The man wore a bathrobe and had evidently just come from the bathroom.
那个男子穿着浴袍,显然是刚刚从浴室出来。
The two Russians evidently knew each other.
那两个俄罗斯人明显彼此相识。
2ADV-GRADED [ADVERB before verb]显然地(但不十分确定);据说 You use evidently to show that you think something is true or have been told something is true, but that you are not sure, because you do not have enough information or proof. 显然地(但不十分确定);据说
From childhood, he was evidently at once rebellious and precocious.
从儿时起,他就明显地既叛逆又早熟。
Ellis evidently wished to negotiate downwards after Atkinson had set the guidelines.
3ADV-GRADED (用于引出陈述或观点,强调其真实性或正确性)显然,肯定 You can use evidently to introduce a statement or opinion and to emphasize that you feel that it is true or correct. (用于引出陈述或观点,强调其真实性或正确性)显然,肯定 [formal, emphasis]
Quite evidently, it has nothing to do with social background.