When you are certain of the dates and are making a clear commitment, you can use phrases that reflect this commitment. For example.

当你日期已定而且要做出明确的承诺时，你可以使用那些表明这一承诺的措辞。例如。

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And these exchanges mark a clear commitment to build ties among our people, as surely as you will help determine the destiny of the 21st century.

这种交流是对在我们两国人民之间建立联系的明确承诺，毫无疑问，你们将帮助决定21世纪的命运。

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"We think that some couples who move in together without a clear commitment to marriage may wind up sliding into marriage partly because they are already cohabiting," Rhoades says. "it."

“我们认为一些没有结婚打算就住在一起的恋人，一定程度上可能会因为两人同居的原因就草率走进婚姻的殿堂，”Rhoades说。

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"President Obama has made it a clear commitment to revolutionize the way that we use energy, including mandatory cap and trade legislation, long-term submissions reductions goals and a commitment to renewable energy technologies,"

VOA: standard.2009.08.31

The president said he also wants to send a clear message that the U.S.military commitment will not be open-ended.

VOA: standard.2009.11.13

He made clear the attack would not deter Italy's commitment to the region.

VOA: standard.2009.09.17

But until there is clear commitment from the top down, this issue can continue to fester.

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But it said Estyn had praised its "clear commitment to reorganising" schools and that the prospects for improvement were good.

BBC: NEWS | UK | Wales | North West Wales | Anglesey education is criticised

But Ms Rousseff needs to make a clear commitment to clean government.

ECONOMIST: Brazil's presidential election