There are a lot of reasons astronauts haven't moved beyond the harbor lights of low-Earth orbit in nearly 40 years, but one of them is that we haven't had the machines to take us anywhere else.

近40年里宇航员一直没能走出近地轨道的“港口灯标”，原因有很多，其中之一是缺乏将我们送到其他地方的机器。

youdao

For even on the darkest nights, I guide them to their harbor lights. I guide them to their harbor lights.

即使在漆黑的夜晚，我也会引领他们到达海港的灯塔。

youdao

For even on the darkest nights, I guide them to their harbor lights. I guide them to their harbor lights.

即使在漆黑的夜晚，我也会引领他们到达海港的灯塔。

youdao