181. What is the main purpose of the memo?
(A) To announce a new chocolate product
(B) To inform staff of a raw material substitution
(C) To report a machinery breakdown
(D) To request a budget increase
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統計: A(2), B(9), C(1), D(0), E(0) #3823481
統計: A(2), B(9), C(1), D(0), E(0) #3823481