月曜までに確定見積もりが必要です。

Meaning
a definitive estimate is required by monday

Vocab used in this sentence

月曜
monday, mon
まで
to, until, up to, till, as far as
in, to, on, at, into, upon
確定
definition, determination, confirmation, finalization, decision, finalized
見積もり
estimation, quotation, estimate, quote
is, there, but, ga, will, however
必要
need, have, necessary, needed, required, must, want, essential, necessity, indispensable
です
is, be, are, am, that, away

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