more‧o‧ver W2 / mɔrəʊvə $ -oʊvər / 副词 [句子副词] formal

in addition – used to introduce information that adds to or supports what has previously been said :

The rent is reasonable and, moreover, the location is perfect.

The source of the information is irrelevant. Moreover, the information need not be confidential.

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Moreover is very formal. In everyday English, people use what’s more or also instead:

The rent is reasonable and, what’s more , the location is perfect.