When did they start building cars?

他们从什么时候开始生产汽车？

youdao

When did they start attacking inside the Emerald City?

什么时候他们开始攻击“翡翠城”的主城区了？

youdao

Even if you're shopping with people you know, they might raise an eyebrow when you start haggling, but they'll sure be jealous when you get a better price than they did!

即便是跟认识的人一起购物，你开始砍价的时候他们也许会挑一下眉毛，但如果你能拿到比他们更好的价格，就只有被羡慕的份儿啦。

youdao

Members of this community say they're determined to show the same resolve over the coming months as they did 20 years ago when they moved here to start a new life.

VOA: standard.2010.05.15

What are your symptoms and when did they start?

CNN: Pulmonary fibrosis

Things did not start well for Collingwood's team when they were asked to bat first having lost the toss, bringing back the threat of a surprise Duckworth-Lewis target for their opponents.

BBC: England through as rain wipes out Ireland match

It is a sign of maturity when companies start to understand, as the banking industry did over time with ATM machines, that they should charge less for using services that cost less to provide.

CNN: Opinion: Is the Internet maturing?