Approval.

backend/zh/settings.json

@@ -77,6 +77,9 @@
         "activate_additional_features": "Activate additional features",
         "embed_presentation_in_iframe": "Presentation in iframe",
         "additional_fields_on_object_add": "Additional fields when adding new objects",
-        "additional_fields_on_object_add_explanation": "Here you can add or remove additional entry fields that shall be made available directly when adding a new object. You may also set them to be required for adding the object altogether."
+        "additional_fields_on_object_add_explanation": "Here you can add or remove additional entry fields that shall be made available directly when adding a new object. You may also set them to be required for adding the object altogether.",
+        "enable_strict_mode_for_values": "Enforce value information (estimated value, insurance value) to be numeric",
+        "enable_strict_mode_for_sizes": "Enforce sizes (height, weight, etc.) to be numeric",
+        "enable_strict_mode_for_dates": "Add date picker for dates and enforce entry and estimation dates are actual date fields"
     }
 }