However, when you keep going south in Italy, past Rome, Roman tradition says the city was founded in 754 or 753? 753.

然而,当你在意大利继续南下,越过古罗马城,罗马人一直认为罗马城,建于公元前754或753,应是753年

耶鲁公开课 - 古希腊历史简介课程节选

It's definitely an opportunity for help, but particularly, as an opportunity to work with someone for just a few moments to help get you unstuck or to get you past some stumbling block that, otherwise, if you struggled with on your own, you might sink or waste even multiple hours on just something that you're not seeing.

这是一个寻求帮助的机会，特别是，作为一个与某人一起工作的机会,他们能帮助你解决问题,或帮助你越过绊脚石，否则，如果你自己单独奋斗，你可能,浪费很多时间在,你不了解的东西上。

哈佛公开课 - 计算机科学课程节选