A major construction project like this takes time, effort and money.
Раскрыты подробности похищения ребенка в Смоленске09:27
，这一点在夫子中也有详细论述
The Starship upper stage separated from its Super Heavy booster nearly four minutes into flight as planned.
这些看起来是搬箱子，背后其实是一整套复杂的任务规划与执行。