系统中雷达状态包括Unknown、Operational（or ON）、Failed（or OFF）、Detached。

The carrier is liable for loss of or damage to the goods or delay in delivery caused by fire，（）the claimant proves that the fire arose from fault or neglect on the part of the carrier，his servants or agents.

Traditionally, people gave Christmas gifts or money to their staff or servants on （）which is the day after Christmas.

与表达式职称="教授" OR 职称="副教授"等价的SQL表达式为职称（）（"教授"，"副教授"）或职称（）"%教授"

Project（71）is an uncertain event or condition that，if it occurs，has a positive or a negative effect on at least one project objective，such as time，cost，scope，or quality．

● Project（71）is an uncertain event or condition that, if it occurs, has a positive or a negative effect on at least one project objective, such as time, cost, scope, or quality.（71）

Shall we sit up here on the grass or down there near the water?（）

Shall we sit up here on the grass or down there near the water? （）

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

Why are many people on restricted or reduced diets?

If we carry out our plan with（）we will surely achieve our goal sooner or later.