Proper measures must be taken to limit the number of foreign tourists and the great efforts should be made to protect local environment and history from the harmful effects of international tourism.
應(yīng)該采取適當?shù)拇胧┫拗仆鈬糜握叩臄?shù)量,努力保護當?shù)丨h(huán)境和歷史不受國際旅游業(yè)的不利影響。