翻译I think we will be able to travel faster and safer around...

(1)I think we will be able to travel faster and safer around the world and into space.

我认为我们将能够更快更安全地环游世界、环游太空。

(2)Now we have to press a key or type a word to make a machine work.

现在我们必须插入钥匙或输入命令来启动这台机器。