The first thing we have to do with a command-line, which we haven't done so far, is to take user input. This can be done with the following code:
Delete a checkpoint
，这一点在体育直播中也有详细论述
Nasa's mega rocket has been moved to the launch pad in Cape Canaveral, Florida, as the final preparations get underway for the first crewed mission to the Moon in more than 50 years.
今年2月3日，立春前一天。425名老人搬进“新家”，李发孟是其中之一。