Proof of your personal solvency, in case personally covering the costs of travel and living.

如申请人个人负责出行费用，则需提供个人资金证明。

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The small explosion-proof electric appliance outer covering guards against the explosion of the important parts in the electric equipment.

小型防爆电器外壳是防爆电器设备中重要的防爆部件，其品质状态直接关系到厂矿企业的生产安全。

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Surrey County Council said the "pothole proof" roads came with a 10-year warranty which would see the contractor covering the cost of any repairs.

BBC: Pothole

That is because branded drugmakers deem patents covering molecular structure to be their most prized, and thus work harder to make them bomb-proof and fight harder when they are threatened.

ECONOMIST: Seeking a cure for legal headaches | The