Seen guides chocolate shop with the Chinese girl said quietly as a digital signal, even if connected to the first.

只见导游跟巧克力店的中国小姑娘悄悄说了个数字作为暗号，就算接上头了。

youdao

Of course play it safe - don't give your number to any old guy - but be ready at work, at the sandwich shop, or even at the dentist's to signal you're approachable.

但是安全起见-不要把你的电话给任何老家伙-但是工作时，在三明治商店时，甚至是牙医那里准备好，来表明你是随时可以找到的。

youdao

The group identified Qtera, a shop that can send an optical signal 3, 200 kilometers without amplification--40 times the distance Nortel could muster.

FORBES: Lighting up Nortel