求翻译：A recent development in the transportation industry is a wide assortment of Internet-based services. The primary advantage of Internet-based communication is the ability of carriers to share real time information with customers and suppliers. In addition to direct Internet communication between businesses engaged in logistical operations, a wide variety of Web-based enterprises have been launched in recent years. Such Web-based enterprises typically provide two types of marketplaces. The first is a market- place to exchange information for matching carrier freight capacity with available shipments. These Web-based services may also provide a marketplace to facilitate transactions.是什么意思？

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