for starters

Adverb

informal not-comparable

(informal) As an initial point; before any other considerations.

Japanese Meaning

まず最初に、初めの段階として（非公式な言い方） / 第一に、とりあえず

for starters, you should save a copy of the document before editing it.

まずは、編集する前に文書のコピーを保存しておくべきです。

Sense（1）

(informal) As an initial point; before any other considerations.

For starters, you can't talk to black people like you're a redneck cowboy. We hate redneck cowboys.