banned是什么意思？

In some American cities, peer-to-peer taxi services have been banned after lobbying by traditional taxi firms.

nicaraguan naval authorities had banned sea travel in the area because of bad weather and strong winds, but the tour boat proceeded anyway.

The trend began in 2007, when leading wheat-exporting countries such as Russia and Argentina limited or banned their exports, in hopes of increasing local food supplies and thereby bringing down domestic food prices.

vietnam banned its exports for several months for the same reason.

Professor Robert Summers at Cornell Law School banned laptop computers from his thinks qualified lawyers need to possess a broad array of complex reasoning abilities.

In France, the government has banned supermarkets from throwing away edible foods and imposed harsh penalties on businesses that fail to comply with the regulations.