{"en_US": "<tree string=\"Mass Mailing Statistics\" sample=\"1\">\n                    <field name=\"name\"/>\n                    <field name=\"campaign\" groups=\"mass_mailing.group_mass_mailing_campaign\"/>\n                    <field name=\"mailing_type\" invisible=\"1\"/>\n                    <field name=\"scheduled_date\" string=\"Scheduled On\"/>\n                    <field name=\"state\"/>\n                    <field name=\"scheduled\"/>\n                    <field name=\"sent\"/>\n                    <field name=\"delivered\"/>\n                    <field name=\"opened\"/>\n                    <field name=\"replied\"/>\n                    <field name=\"clicked\"/>\n                    <field name=\"canceled\" optional=\"hide\"/>\n                    <field name=\"error\" optional=\"hide\"/>\n                    <field name=\"bounced\" optional=\"hide\"/>\n                </tree>", "vi_VN": "<tree string=\"Thống kê gửi email hàng loạt\" sample=\"1\">\n                    <field name=\"name\"/>\n                    <field name=\"campaign\" groups=\"mass_mailing.group_mass_mailing_campaign\"/>\n                    <field name=\"mailing_type\" invisible=\"1\"/>\n                    <field name=\"scheduled_date\" string=\"Đã lên lịch vào\"/>\n                    <field name=\"state\"/>\n                    <field name=\"scheduled\"/>\n                    <field name=\"sent\"/>\n                    <field name=\"delivered\"/>\n                    <field name=\"opened\"/>\n                    <field name=\"replied\"/>\n                    <field name=\"clicked\"/>\n                    <field name=\"canceled\" optional=\"hide\"/>\n                    <field name=\"error\" optional=\"hide\"/>\n                    <field name=\"bounced\" optional=\"hide\"/>\n                </tree>"}