5个有or后缀的单词

　　For reasons of security the door is always kept locked.

　　为了保证安全，门总是锁着的。

　　The agreement will open the door to increased international trade.

　　此协议将会提供增加国际贸易的机会。

　　The government's policy is an open door to disaster.

　　政府的政策为灾难敞开了大门。

　　Doctors still don't understand much about the disease.

　　医生对这种疾病还不太了解。

　　Doctors still don't understand much about the disease.

　　医生对这种疾病还了解不多。

　　The doctor may allow her to return to work next week.

　　医生也许会允许她下周回去上班。