let res = stack.join('');
"If you build a nuclear reactor or or any kind of base on the moon, you can then start claiming that you have a safety zone around it, because you have equipment there," says Dr Barber.。搜狗输入法下载对此有专业解读
，这一点在51吃瓜中也有详细论述
│ │ 9P / LISAFS
Still, it is much closer Modern English than we might think.，这一点在Line官方版本下载中也有详细论述