The word "single repository" mentioned by Mr. O 'brien made me worry a bit.

OBrien提出的一个词“单一库存”让我有点不安。

youdao

I don't worry o 'er the future.

我不要为将来忧虑。

youdao

A few children went home and said, "I'm going to Japan tomorrow, but you don't need to worry, mom, 'cause I'm going to be home at 8 o'clock at night".

有些小孩回家后说：“，我明天要去,日本了，不过妈妈你不要担心，因为我会在8点钟回家。

麻省理工公开课 - 媒体、教育、市场课程节选

There was a brief worry for Ireland when Niall O'Brien required treatment for a twisted ankle but the right-hander showed no ill-effects as he reverse-swept Mendis for a magnificent four and added successive boundaries off Matthews in the ninth over.

BBC: Sri Lanka see off valiant Ireland

"I do worry about supply, " says David O'Reilly, ChevronTexaco's chief executive.

FORBES: The Big Plunge

"Martin O'Neill deals in the transfer market at the last minute and I wouldn't worry about the Villa fans as he always comes up with some decent players, " Morley said.

BBC: Aston Villa should sell James Milner, says Tony Morley