They may sound sophisticated, but their settlement can be anything but (many contracts are still buzzed by fax from a buyer to a seller for signing).

互换产品看似非常成熟，其实成交方式漏洞百出（许多合约仍由买方通过传真传递给卖方签发）。

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It locks the doors at 9:30, and it requires visitors to be identified and then buzzed in.

它在9：30锁门，访问者们会被要求识别身份，然后发出嗡嗡声。

youdao

It locks the doors at 9:30, and it requires visitors to be identified and then buzzed in.

它在9：30锁门，访问者们会被要求识别身份，然后发出嗡嗡声。

youdao