on ones promises
兑现承诺
以上为机器翻译结果，长、整句建议使用 人工翻译 。
But delivering on these promises and-lest anyone forget-the still tougher economic ones will be a slow and halting process.
但是，兑现这些承诺(以免有人忘记)和依然在变坏的经济将会是一个缓慢充满荆棘的过程。
youdao
The new partnership builds on these successes and promises to generate new ones by accelerating the flow of technology from the lab into the marketplace.
WHITEHOUSE: Rockets to Rockies: NASA Helps Build Colorado Economy
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