拨号上网需要一台电脑、一个调制解调器和一条电话线。
For dial-up connection, you need a computer, a modem, and a telephone line.
到了2000年，粉丝们开始要求一个可以下载的版本，因为当时所有人都在使用拨号调制解调器上网，而且不想占用电话线。
Back then, in 2000, fans started asking for a downloadable version, because everyone was still using dial-up modems and didn't want to tie up their phone lines.
无拨号音。请确保调制解调器与计算机和电话线连接正确。
No dial tone. Make sure the modem is correctly connected to the computer and phone line.
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