这些拖车将被租用于单程旅行。
例如，去火星的单程旅行至少需要6个月。
A one-way trip to Mars, for example, would take at least six months.
在单程旅行中，获得往返优惠券是正常的。
It's not uncommon to score multiple travel vouchers on a single trip.
生命是一次单程旅行：你不能经历两次生命。
Remember: life is one-way journey: you cannot experience it twice.
生命是一次单程旅行：你不能经历两次生命。
生命只是单程旅行，让我们勇敢地分享自己的心情故事。
Life is only single ticket trip. Let us share with each other.
至此，离子通向太空的单程旅行前的最后一步开始了，这就是沿着地球磁场自由航行。
This is when the last stage of their one-way trip into space begins: sailing along the magnetic field of the Earth.
1977年发射的“旅行者一号”太空探测器发回了木星和土星的壮观图像，然后飞出太阳系，执行前往恒星的单程任务。
The space probe, Voyager I, launched in 1977, had sent back spectacular images of Jupiter and Saturn and then soared out of the Solar System on a one-way mission to the stars.
“时光旅行是真的”，纸条上写道，“然而你只能单程回到过去”。
Time travel works!“ the note read. “However you can only travel to the past and one-way.
单程票价25元，周末旅行来回票价45元。
“时光旅行是真的”，纸条上写道，“然而你只能单程回到过去”。当发现那是我自己的笔迹时我不寒而栗。
"Time travel works!" the note read. "However you can only travel to the past and one-way." I recognized my own handwriting and felt a chill.
“时光旅行是真的”，纸条上写道，“然而你只能单程回到过去”。当发现那是我自己的笔迹时我不寒而栗。
"Time travel works!" the note read. "However you can only travel to the past and one-way." I recognized my own handwriting and felt a chill.
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