<p style="line-height: 28px; font-family: Nunito,;"><span style="font-family: sans-serif;">嗨，{bill_name}</span></p>
                    <p style="line-height: 28px; font-family: Nunito,;"><span style="font-family: sans-serif;">欢迎使用 {app_name}</span></p>
                    <p style="line-height: 28px; font-family: Nunito,;"><span style="font-family: sans-serif;">希望这封电子邮件能让您满意！！请参阅随附的产品/服务帐单编号 {bill_number}。</span></p>
                    <p style="line-height: 28px; font-family: Nunito,;"><span style="font-family: sans-serif;">只需点击下面的按钮即可。</span></p>
                    <p style="line-height: 28px; font-family: Nunito,;"><span style="font-family: sans-serif;">{bill_url}</span></p>
                    <p style="line-height: 28px; font-family: Nunito,;"><span style="font-family: sans-serif;">如果您有任何疑问，请随时与我们联系。</span> </p>
                    <p style="line-height: 28px; font-family: Nunito,;"><span style="font-family: sans-serif;">谢谢，</span></p>
                    <p style="line-height: 28px; font-family: Nunito,;"><span style="font-family: sans-serif;">问候，</span></p>
                    <p style="line-height: 28px; font-family: Nunito,;"><span style="font-family: sans-serif;">{company_name}</span></p>
                    <p style="line-height: 28px; font-family: Nunito,;"><span style="font-family: sans-serif;">{app_url}</span></p>