I promise there won't be another time
保证───ensure;不会───can't
They could not ensure a smooth transfer of political power.───他们无法保证政权的顺利交接。
We tried to ensure that everyone got a fair deal.───我们曾尽力保证每个人都受到公平待遇。
Our role is to ensure liaison between schools and parents.───我们的作用是确保学校与家长间的联系。
your pediatrician might be able to help ensure that a dose of that variety is available for your child if necessary.───必要的时候，儿科医生也许可以确保您的孩子能接种上这种疫苗。
To standardize the Front Office's approach to guest amenities service and work stations to ensure a consistent standard through the company.───使前厅对客房服务和工作岗位标准化，确保始终如一的工作水平。
To ensure a proper dosage, check the label of your multi-vitamin to see how much vitamin D is included.───为确保合适的用量，请查看你所购买的复合维生素的标签，搞清维生素D的含量。
These regulations ensure the humane treatment of all refugees.
Wash regularly to ensure personal hygiene.
Ensure that all the waste is properly and safely disposed of.
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Ensure all photographic material is properly packed and sent by recorded delivery.