     while_condition_loops: "使用条件语句的While循环"
     while_loops_simple: "While循环"
     while_loops_nested: "While嵌套循环"
-#    xy_coordinates: "Coordinate Pairs"
+    xy_coordinates: "坐标对"
     advanced_strings: "高级字符串" # Rest of concepts are deprecated
     algorithms: "算法"
     boolean_logic: "布尔逻辑"

    left_xp_postfix: ""

  account:
#    title: "Account"
#    settings_title: "Account Settings"
#    unsubscribe_title: "Unsubscribe"
#    payments_title: "Payments"
#    subscription_title: "Subscription"
#    invoices_title: "Invoices"
#    prepaids_title: "Prepaids"
    payments: "支付方式"
    prepaid_codes: "预付费码"

    game_goals: "游戏目标"
#    game_spawn: "Game Spawn"
    graphics: "图形"
    graphs: "图"
    heaps: "堆"
    if_condition: "If条件语句"
    if_else_if: "If/Else If语句"
