“确定无疑”例句

单词 确定无疑 例句 DEFINITIVE EXAMPLES 权威例句〔cast-iron〕They would have to offer cast-iron guarantees to invest in long-term projects.他们必须确定无疑地保证会投资长期项目。外研社新世纪〔certainty〕A general election became a certainty three weeks ago...