在输入框上方的模式切换里选择「文档」或「文章」
Connected Papers (What is Connected Papers?)
，更多细节参见搜狗输入法下载
相比之下，负面的批评显然是更多的，就算这只是个比喻，也非常荒唐。
Some experts say this signals the start of a new space race – not just for prestige, but to build a long-term presence on the Moon, tap its resources and use it as a stepping stone to Mars. We speak to the BBC’s Science Editor, Rebecca Morelle.