At the same time the operation of a scientific and effective reward system could succeed only under the escort of certain protection system and good execution .

同时，一个科学有效地薪酬体系的运行必须 在一定的制度保障和良好执行力 的 护航 之下，才能取得成功。

The children were taken to the zoo under the escort of the teachers .

孩子们 在老师 的 护送下去动物园。