本课内容目前为英文。
Ask sharper questions
Who has more than 1000 points? Who lives in Shiraz or Tabriz? Who plays golf? Plain equality cannot ask these. Query operators, words that start with $, can.
本课内容目前为英文。
Who has more than 1000 points? Who lives in Shiraz or Tabriz? Who plays golf? Plain equality cannot ask these. Query operators, words that start with $, can.