English teaching in middle school should conform to three key principles such as communication and application, centralization and decentralization, amusement and popularity.
中学英语语法教学要遵循交际性与实践性原则、集中与分散相结合的原则、趣味性与通俗性原则。
As a special industry that specializes in risk centralization and decentralization, insurance has higher anti-risk requirements comparing with other finance industries, such as banking and securities.
作为一个专门从事风险集中与分散的特殊的行业，它有着比银行、证券等其他金融行业更高的抗风险要求。
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