For a start替换To begin with;
We can， freely， search用了插入语的写作手法;
our knowledge will be well enriched， and our horizons will be greatly broadened.用了非常精彩的被动;
Additionally替换In addition / Besides;
Deliver替换send.
There is no denying that ， however， computers can function in the disservice of human beings， in a way， especially the growing violence ，***， porn pictures， AV-films emerging on the screen ， which leads quiet a few net citizens to copying.
There is no denying that ， however， computers can function in the disservice of human beings，这个句子有三个精彩之处，首先There is no denying that这个句型;其次however作为插入语;再次，function in the disservice of替换do harm to.
Emerging替换appearing ( fading替换disappearing );
Net citizen网民，属于精彩用词医.学 全在.线,提供www.med126.com。(直接用netizen更好)
As a classic proverb goes that no garden has no weeds. Computers do play a positive role in the development of people' lives， despite a slice of unfavorable impacts. We should ，therefore， take advantage of the fruits and avoid the opposite facet.
No garden has no weeds替换Every coin has two sides;
Computers do play，使用do表示强调;
Positive替换important / good等;
A slice of替换a part of;
Unfavorable替换bad;
Impacts替换effects / influences;
We should， therefore， take advantage of…使用插入语;
Fruits (而且fruits用的非常形象，merits/ virtues)替换advantage ( defects替换disadvantage );
Facet替换aspect.
