22. When uncertainty is high, plans should be ________ and ________.
(A) short-term; directional
(B) specific; flexible
(C) general; informal
(D) directional; standing
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統計: A(0), B(3), C(0), D(0), E(0) #2586751
統計: A(0), B(3), C(0), D(0), E(0) #2586751