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。

youdao

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。

youdao

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.

这些交易所标志和建立关系的明确承诺在我们的人民，我指着你的命运将有助于决定了21世纪。

youdao

"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.

FORBES: Magazine Article

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