金星的运行路线离太阳非常近，它介于我们和太阳之间。
Venus courses quite close to the sun, it's between us and the sun.
这种方法要取得成功，不仅要看行星的运行路线，还要看组成该行星的物质是如何结合在一起的。
The success of this approach would depend not only on the path the asteroid is expected to take, but also on how the material that forms it is bound together.
人们可以随时开车去任何地方，如果坐公交车就不可能了，因为公交车有固定的运行路线以及固定的出发和到达时间。
People can drive their cars to go anywhere at anytime, which is impossible if they take buses because buses have their fixed traveling routes and fixed time of departure and arrival.
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