trying http://language.moe.gov.tw/001/Upload/Files/site_content/M0001/edukai-4.0.zip
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:--  0:02:12 --:--:--     0
curl: (28) Failed to connect to language.moe.gov.tw port 80 after 132970 ms: Couldn't connect to server
Warning: Problem : timeout. Will retry in 1 seconds. 3 retries left.
  0     0    0     0    0     0      0      0 --:--:--  0:02:14 --:--:--     0
curl: (28) Failed to connect to language.moe.gov.tw port 80 after 134165 ms: Couldn't connect to server
Warning: Problem : timeout. Will retry in 2 seconds. 2 retries left.
  0     0    0     0    0     0      0      0 --:--:--  0:02:13 --:--:--     0
curl: (28) Failed to connect to language.moe.gov.tw port 80 after 133163 ms: Couldn't connect to server
Warning: Problem : timeout. Will retry in 4 seconds. 1 retries left.
  0     0    0     0    0     0      0      0 --:--:--  0:02:15 --:--:--     0
curl: (28) Failed to connect to language.moe.gov.tw port 80 after 135217 ms: Couldn't connect to server
error: cannot download edukai-4.0 from any mirror