You can add annotations to attributes, and observe events for them.

您可以将附注加入至属性，并为其观察事件。

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They should have intense curiosity, observe events, analyze trends, seek the clues of change, and translate those clues into opportunities.

他们应当有强烈的好奇心、观察事件、分析趋势、寻找变化的线索，并将这些线索转化为机遇。

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This year, they are taking the idea global, with hundreds of events where participants can observe and learn about the Moon.

今年，他们有了全球观测的想法，参与者能够在数百个活动中观察和了解月球。

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By studying waves from galaxies that have taken millions of years to reach earth, the telescope could also shed new light on how the universe was shaped in the aftermath of the Big Bang by enabling astronomers to observe events just 300 million years into the estimated 13.7 billion-year life of the universe.

CNN: Telescope set to reveal 'Big Bang'

According to the description of the UN Special Rapporteur on the protection and promotion of the right to freedom of expression and opinion, journalists are individuals who observe and describe events, document and analyse events, statements, policies, and any propositions that can affect society, with the purpose of systemizing such information and gathering of facts and analyses to inform sector of society or society as a whole.

UNESCO: World Press Freedom Day 2013

Like the lightly-armed Dutch contingent of U.N. peacekeepers in Srebrenica, brushed aside by Bosnian Serb forces commanded by General Ratko Mladic, the 300 U.N. monitors in Syria have no power to influence events -- just to observe and report them.

CNN: Syria, Sarajevo and Srebrenica: When outrage isn't enough