insights explorer supports sub condition

src/locales/zh_Hans.json

@@ -1517,6 +1517,8 @@
     "WHERE": "条件",
     "AND": "与",
     "OR": "或",
+    "AND SUB": "与子条件",
+    "OR SUB": "或子条件",
     "Today": "今天",
     "Yesterday": "昨天",
     "Recent 7 days": "最近7天",
@@ -1750,6 +1752,7 @@
     "Remove Query": "移除查询",
     "Modify Query Name": "修改查询名称",
     "Add Condition": "添加条件",
+    "Add Sub Condition": "添加子条件",
     "Remove Condition": "移除条件",
     "No conditions defined. All transactions will match.": "没有定义条件。所有交易都会匹配。",
     "Unable to retrieve explorer list": "无法获取探索列表",