[] (about a shop/store, business, etc.) to start business for the day; to start business for the first time（商店、企业等）开始营业，开业◆What time do the banks open?银行什么时候开门？◆The company opened its doors for business a month ago.这家公司一个月前开业。➡close down, close sth down at close [] to start an activity or event开始；着手◆to open a bank account开设银行账户 [] to start a computer program or file so that you can use it on the screen打开，启动（计算机程序或文件） [] if shares, currencies, etc. open at a particular price, they are worth that amount when people start trading them at the beginning of the day开盘；开盘价（为）◆The group's shares opened down 6%.这个集团的股票开盘下跌 6%。 [] if a meeting opens or sb opens it, it starts宣布（会议）开幕◆Who is going to open the conference?谁来宣布会议开幕？ [] to make it possible for goods, people, etc. to come through让（货物、人等）通行；开放◆When did the country open its borders to Western business?这个国家是什么时候向西方企业开放边界的？OPPclose ●open ˈdoors for sb to provide opportunities for sb to do sth and be successful为…敞开大门；提供良机◆A good CV/résumé will open doors for you.一份好的简历会为你带来机会。●open the ˈfloodgates (to/for sth)●the floodgates ˈopen (to/for sth)to start a process that is very difficult to stop打开匣门◆If their case is successful it could open the floodgates to more damages claims against the industry.他们的案件一旦胜诉，就可能打开针对该行业的损害赔偿索赔的大门。●ˌopen sth ˈup●ˌopen ˈupto become or make sth possible, available or able to be reached（使某事物）成为可能，可得到，可达到◆The new catalogue will open up the market for our products.这本新的商品目录将会为我们的产品打开市场。◆Exciting possibilities were opening up for her in the new job.新工作给她带来了令人兴奋的发展前景。to begin business for the day开门；营业◆I open up the store for the day at around 8.30.我每天早晨 8:30 左右开店门营业。to start a new business开张；开业◆New banks are opening up all over town.城镇里到处都有新的银行开业。OPPclose down, close sth down