A responsibility, duty, or burden assigned to someone

• The weight of blame or obligation for a task or outcome

赋予某人的责任、义务或负担

• 对某项任务或结果的责任或过错之重

In law, the obligation to prove a claim in dispute

• The burden of proof resting on a party

法律中对有争议主张负有举证义务

• 由一方承担的举证责任