In fresco painting, time may be a combination of the past, the present and the future. It may also be an expression of a continuum of time.

在壁画里，时间可以是过去、现在、未来的组合，也可以是一个事件发生的时间延续过程。

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This raises the problem of interaction between objects displayed in present time space (the player's avatar) and objects displayed in a past time space (remote characters, ai entities).

这也产生了一个显示在当前时间空间的对象(玩家自己控制的角色)与显示在过去时间空间的对象(远程角色对象，AI控制实体)之间的交互问题。

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He investigates philosophical questions about past, present, and future, our experience of time, and the possibility of time travel.

他调查哲学问题关于过去，提出，以及将来，我们的经验的时间，以及可能性的时间旅行。

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The SFA run a number of UEFA coaching courses at the academy and many top Scottish managers, past and present, have passed through its doors at one time or another, as well as many other leading coaches worldwide including Real Madrid's Jose Mourinho and Andre Villas Boas of Porto.

CNN: Great Scot! Why Scottish coaches rule

The result blends a vivid account of daily life, fluid and unsettling, in a modern British town with powerful allegorical reflections on the connections between past and present, time and space, and high culture and the hard scrabble world that sustains it.

ECONOMIST: Oxford

This is the present, not the past, and real time must also be acknowledged.

WSJ: Miracle on 42nd Street