Set a positive tone by first stating the strengths of the paper, then, after offering Suggestions, perhaps end the review with words of encouragement.

基调要正面、积极，首先阐述该论文的长处，然后提供建议，结尾也许还可以写几句鼓励的话语。

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Some gestures project a very positive message, while others do nothing but set a negative tone.

有些姿势是非常积极的信息，另外的什么也不干却树立了消极的音调。

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Set a calm, positive tone.

设立一个平静积极的基调。

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President Obama denied the charge. The summit host,Trinidad and Tobago Prime Minister Patrick Manning, praised President Obama for a positive attitude, which he said set a congenial tone that ensured success at the gathering.

VOA: standard.2009.04.19

By joining the community, manufacturers have the opportunity to set a positive tone, provide leadership, and increase long-term demand.

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As fans continue to struggle with the grim realities of supporting an inferior and occasionally dysfunctional ball club, the Mets could easily set a positive tone going forward as they embark upon a new journey towards respectability.

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