Only a clear and explicit affirmation or decision is valid; ambiguous gestures or non-committal responses are not accepted.
这件事情很重要，你得给个明确的答复，摇头不算点头算。
This matter is crucial, so you need to give a definite answer. Vague signals are not enough; only a clear 'yes' will do.
Era:
Modern
Frequency:
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