We have to have this money year after year. It's not a one-shot deal.
年复一年我们不得不拿这笔钱,这不是一场只有一次的交易。
This conclusion is unfounded because it depends on the results of a one-shot study.
还没发现这个结论,因为它取决于这次一次性研究的结果。
英汉双解词典包含141091条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。