'账单编号', 'bill_date' => '账单日期', 'total_price' => '总价', 'due_date' => '到期日', 'order_number' => '订单编号', 'bill_from' => '账单来自', 'quantity' => '数量', 'price' => '价格', 'sub_total' => '小计', 'discount' => '折扣', 'tax_total' => '税率', 'total' => '总计', 'item_name' => '产品名称 | 产品名称', 'show_discount' => ':discount% 折扣', 'add_discount' => '新增折扣', 'discount_desc' => '小计', 'payment_due' => '付款到期日', 'amount_due' => '到期金额', 'paid' => '已付款', 'histories' => '历史记录', 'payments' => '付款方式', 'add_payment' => '新增付款方式', 'mark_received' => '标记已收到', 'download_pdf' => '下载 PDF格式', 'send_mail' => '发送邮件', 'status' => [ 'draft' => '草稿', 'received' => '已收到', 'partial' => '部分', 'paid' => '已付款', ], 'messages' => [ 'received' => '成功标记账单为已收到！', ], ];