PSTN signaling USES tones generated by the phone to begin or end a call.

PSTN信令通过使用手机产生的声调来开始或结束通话。

youdao

The world of handheld computing doesn't begin or end with graphic interfaces.

手持计算的世界不只是开始和结束于图形界面。

youdao

I did not know how to begin or end a letter, or anything at all about it.

那时我既不知一封信怎样开头，也不知怎样收尾，一点也不知道怎么写。

youdao

Perhaps at the other end of the tunnel they begin to have some communications or see some loved one who has died previously or perhaps some famous religious person in their-- in the teaching of their tradition-- their religious tradition.

或许在隧道的另一头,他们开始某种交流,或者看见早已死去的挚爱亲友,看见他们传统教义中,或宗教传统中的,某个著名宗教人物

耶鲁公开课 - 死亡课程节选

Begin or end the day with a glass of bubbly or Pinot at Artesa Winery, southwest of Napa.

BBC: Mini guide to California's wineries

More than 70% of all rail journeys now begin or end in the capital and they account for more than half of all passenger revenues.

ECONOMIST: Railways

The red-carpet treatment didn't begin or end with the trial.

CENTERFORSECURITYPOLICY: Gitmo does not cause terrorism