First, many people are inclined to write at too difficult a level, using big words and complicated structures for fear that others say they lack intelligence and literary talent.
第一，很多人倾向于使用一种比较难的水平来书写，用大词和复杂的结构，惟恐读信的人会觉得他水平不高。
There are many problems like various data types and complicated structures in modern big portal system, and these all make it difficult to create a union search platform for the system.
现代大型门户信息系统普遍具有数据类型繁多，系统结构复杂等特点，这一系列特点都给系统的统一检索带来了困难。
There are many problems like various data types and complicated structures in modern big portal system, and these all make it difficult to create a union search platform for the system.
现代大型门户信息系统普遍具有数据类型繁多，系统结构复杂等特点，这一系列特点都给系统的统一检索带来了困难。
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