By checking the checkbox, I, the undersigned, understand the risks associated with physical activity and release City Tennis Inc. and all its staff, coaches, employees, contractors and associates from liability. 勾选此选框即表示本人已了解与体育活动相关的风险,并同意解除 City Tennis Inc. 及其所有工作人员、教练、雇员、承包人和关联人员的责任。(Required)