Without demonstrable progress, the negotiators will begin to see their influence wane.
没有可展示的进展，磋商者将会开始看到他们的影响力减弱。
Must knowledge be demonstrable to be valuable?
知识一定要被证明是有价值的？
This is demonstrable; and if men are capable of any truths, this is one.
这是可以论证的；如果人类能够达到任何真理，这就是其中之一。
Demonstrable sales skills and provide evidence of previous success.
出色的销售技能，并需提供成功案例证明。
Demonstrable sales skills and provide evidence of previous success.
出色的销售技能，并需提供成功案例证明。
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