Owing to deficiency and limitation of market size, variety, term structure and operating target, open market operation has not operated an effective function on stock price.

公开市场业务由于在市场规模、操作品种、期限结构和业务目标等方面仍存在不足和缺陷，目前还不能对股票价格有效发挥作用。

youdao

The open nature of the Internet and its use by governments and business make it a rich target for an enemy attacks.

VOA: standard.2009.08.11

The stadium remains on target to open in 2006 with the 2006 FA Cup Final set to be the first match played there.

BBC: NEWS | UK | England | London | Delay to raising Wembley's arch

It's tough to look ahead because he will be reflecting on this match so much and playing it through his mind, but certainly when it is time to prepare there are a lot of opportunities out there and another Grand Slam to target at the US Open.

BBC: Henman on Murray

Macrocyclic drugs are an emerging class of therapeutics that promise to open up drug target spaces which are poorly addressed by small chemical entities and larger biologics.

FORBES: Innovation Snapshot: Macrocyclic drugs to unlock new therapeutic targets