渡と航こう制せい限げんとこうせいげんMeanings1nountravel restrictionsRefers to official limitations on travel, such as border closures, visa suspensions, or quarantine requirements.パンデミックのため、多おおくの国くにが渡と航こう制せい限げんを導どう入にゅうした。Due to the pandemic, many countries introduced travel restrictions.
