This policy has proved an important contribution towards public health.
这项政策已证明对大众卫生非常有益。
The signing of such a treaty would be a major contribution towards world peace.
签订这样一项条约，是对世界和平的重大贡献。
The secret to happiness lies in the contribution towards the happiness of others.
幸福的秘密就在于能为别人的幸福做出贡献。
The secret to happiness lies in the contribution towards the happiness of others.
幸福的秘密就在于能为别人的幸福做出贡献。
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