Directors are also required to respond promptly if a vote is called.
self.session.headers.update({"Accept": "text/html,application/xhtml+xml"})
，这一点在爱思助手下载最新版本中也有详细论述
paper: “notebook paper with faint ruled lines”
Mr Lemmens said that future spacecraft "should be designed in such a way that they can take themselves out of orbit safely, preferably by doing controlled re-entries".