For example, valid TLDs included com (commercial), edu (educational) and net (network related).

例如，有效的TLD包括com(商业)、edu(教育)和net(网络相关)。

youdao

Domain names: the rules guiding the creation and administration of top-level domain names (TLDs), such as ".com" or ".org", and country-specific TLDs, like ".au" (Australia).

域名：指导顶级域名（Top-level domain names，TLDs）的创建和管理的规则，例如“.com“或者”.org“以及基于国家的TLDs像“.au”（澳大利亚）；

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Who Will Be the Big Winners and Losers of the New TLDs?

谁将会是新顶级域名的大赢家和大输家？

youdao

TLDs would also drop, sending the cybersquatters in search of a more lucrative profession.

ECONOMIST: Domain names

There are over 141 million generic TLDs (Top Level Domains) currently registered according to Whois.

FORBES: VeriSign's Future Looks Stable with .com and.net Registries in the Bag

New TLDs however will be most risky of all, as they will be creating a confusing mess initially.

FORBES: Get A Domain Name Without Bankrupting Your Startup