open door   (TTS Sound)

The open_door has 2 Senses.

• open door, open-door policy
• 門戸開放, オープンドア
• the policy of granting equal trade opportunities to all countries
• あらゆる国々に平等な貿易機会を認める政策

• open door
• オープンドア
• freedom of access; "he maintained an open door for all employees"
• 出入り自由