This opportunity did not exist for us in the past.Later, when conditions changed, we failed to make use of them for some time.It is high time that we learn to utilize this opportunity.是什么意思_This opportunity did not exist for us in the past.Later, when conditions changed, we failed to make use of them for some time.It is high time that we learn to utilize this opportunity.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句