语法总结
be going to / will be doing 的计划感
NASA is now going to... / The shuttle will be taking... 都不是随意预测，而是已经安排好的后续动作。
相似句：
- We are going to repair the engine tomorrow.
- This time next week, they will be flying to Paris.
最高级 + we have ever seen
the clearest pictures ... that we have ever seen 用最高级加强科技成果的突破性。
相似句：
- It was the most exciting view I had ever seen.
- This is the best result we have ever achieved.
by the time + 将来完成时
By the time you read this, ... will have sent... 强调“到未来某一时点之前已经完成”的结果。
相似句：
- By the time you arrive, we will have finished dinner.
- By next month, they will have built the bridge.