A close application to IM is group or multi-party messaging or the development of multi-user chat rooms.

IM的封闭式应用包括小组或多方消息传递，或开发多用户聊天室。

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There, by a close application to business as a merchant, he acquir'd a plentiful fortune in a few years.

在那里，他专心一意地经商，在几年之内竟积蓄了一笔巨大财产。

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The organisation also maintains that the ISS should be used to develop products with commercial application and to test those that are either close to or already on the market.

该组织还坚持认为，ISS（国际空间站）应该用于开发可以在商业上应用的产品，并测试那些接近或已经上市的产品。

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Cisco employees would enter information about a business trip into one application, close it and then have to open a different application to book it as an expense.

FORBES: Magazine Article

Icann said it planned to close down its application system until Wednesday and was extending its application deadline.

BBC: Glitch delays Icann's net suffix deadline

Several tour operators contacted by CNN said that the process may have gotten bogged down by the fact that the renewal application is now close to 200 pages and requires that the operators explain how each stop on the itinerary fosters greater friendship between Americans and Cubans.

CNN: Eased travel to Cuba not without hurdles