It is useless to speculate why he did it.
对他为什么这么做妄加猜测毫无用处。
It's always hard to speculate about the future.
推测未来总是很难的。
He likes to speculate on the stock market.
他喜欢炒股。
We'll never really know of course, though it's interesting to speculate.
当然，我们永远也不会真正了解，尽管推测起来很有趣。
Even to speculate on it is a gain.
即使思索一下也是一种收获。
我不想作任何推测。
推测是容易的。
Passengers are usually left to speculate.
总是让旅客一头雾水瞎揣测。
“People are beginning to speculate, ” he says.
他说：“人们会禁不住开始猜测。
Very weird! Very strange to speculate like this.
非常奇怪，这种假设也很奇怪。
It's hard to speculate about what would have been.
这实在很难去思索到底是怎么回事。
It is hard to speculate what Apple's Geo team is brewing.
很难知道苹果得地理服务团队一直在做什么。
Paulson said he did not want to speculate about that idea.
暴罗森说他并不想去猜测他们这样做的用意。
Care to speculate upon what the world would be like now if.
试想世界将会是怎样的，如果？
If you want to speculate on the next bubble, it's up to you.
你是否想在下一轮泡沫中投机要由你自己决定。
I won't even begin to speculate about all the possible risks.
我甚至还没开始思考所有可能的风险。
He had hurried to speculate on stocks, but had made no money.
他急急地炒股票，一点钱也没赚得。
We don't need to speculate about the possible winner in the game.
我们并不需要推测在比赛中谁可能获胜。
I wouldn't like to speculate how much that car must have cost him.
我不想猜想他花了多少钱买那辆车。
But most of us want to speculate, which is a very convenient escape.
但是我们大部分人愿意臆测，这是非常方便的逃避。
Cancilla says she is unable even to speculate who the donor could be.
坎希拉说，她根本无法猜到捐赠者可能是谁。
This led him to speculate about the potential for new augmented reality devices.
这样的情况迫使他推出新的增强现实设备。
That, they speculate, was the first step on the pathway to life on Earth.
他们推测，是通向地球上生命的第一步路径。
People who speculate have to be prepared to take the risk of losing money.
做投机买卖的人对亏损的风险得有所准备。
He can only speculate as to which horse will win the race.
他只能推测那一匹在赛马中会获胜。
Prior to each meeting, market participants speculate about the possibility of an interest rate change.
在每次会议之前，市场参加者推测关于利率变动的可能性。
They speculate that teenagers from wealthier families may have easier access to alcohol.
他们推断来自更为富裕家庭的青少年接触到酒精的机会更容易。
They speculate that teenagers from wealthier families may have easier access to alcohol.
他们推断来自更为富裕家庭的青少年接触到酒精的机会更容易。
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