You can use a shorter or longer timeout based on how long you want the program to run, your network connection's speed, and the depth of the Web site you want to crawl.
根据想要让程序运行多久、网络连接速度和想对网站进行处理的深度，您可以使用更长或更短的超时。
2
For now, it is most likely that America's economy will crawl along with growth at perhaps 2.5% : above stall speed, but far too slow to make much difference to the jobless rate (see article).