The changes to the rating requirements for these items reflect the nature of the items, their power, and the relative difficulty that should be had when attempting to obtain them.

这些变化将会反映这些装备的本质，他们的能力，和获取这些装备的难易程度。

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Total of 40 levels, 5 difficulty levels, 5 Rating levels, easy operation.

共有40个级别，5个难度级别，5个等级水平，操作方便。

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The third reason is the difficulty in pricing and rating.

其三是定价难、评级难。

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The average interview difficulty rating is 3.9 out of 5.

FORBES: The Companies That Give The Toughest Job Interviews

Rating agencies argue that they manage this difficulty by barring analysts from involvement in fee negotiations.

ECONOMIST: Credit-rating agencies

Barbados recently suffered credit rating downgrades and correspondents say the governing party has had difficulty stabilising the Caribbean island's economy.

BBC: Ruling Democratic Labour Party wins Barbados election