He opened it, scarcely thinking of the writer, but the first words attracted his attention at once.

他打开信，几乎没有多想是谁写的，但第一句话立刻引起了他的注意。

youdao

Note: Once a project has been opened, it needs to remain open while its data is being accessed.

注意：一旦一个工程被打开，在访问它的数据时它就必须保持打开状态。

youdao

Once the door to social consciousness is opened, bring the spirit of your company through it to affect change.

一旦通往到社会意识之门打开，将企业精神贯穿于其间，改变就成为现实！

youdao

Once opened it forwards itself using the personal and business address books of e-mails so the spread is rapid.

BBC: You are in: UK

Once we opened it up, it went from 60 million users in 1993 to 160 million in the U.S. today, and 1 billion worldwide.

FORBES: Going Beyond the Call

"Once we did that, it kind of opened the floodgates, " he says.

WSJ: Arms Race to Grow World's Hottest Pepper Goes Nuclear