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may destroy the satisfaction that they obtain from work. As anything has two sides, so has the problem of income gap. Personally, I believe that this gap may motivate people to compete better in job market. When this gap is growing too wide, however, our government should make some policies to get rid of its negative consequences. 5. Knowledge is power As a popular saying goes, knowledge is power. With our country developing fast, the importance of knowledge is becoming more and more obvious to us all. In the very first place, with knowledge, one can easily find jobs. It is often said that we are entering a new age of information, and knowledge plays a key role in this age. For example, if one wants to work in IT field, one needs to improve his knowledge constantly. What’s more, knowledgeable people can get quick promotion in their work. As is often the case, a person in charge of an organization is the one who has most knowledge. In addition, more knowledge is also needed to make our life rich and fulfilled. Accordingly, we must try hard to acquire as much knowledge as we can. Luckily, a lot of means may enable us to do so. Among other things, web proves the best and fastest way to get information. 6. Saving animals There is an undeniable fact that the number of animals is declining faster than ever before. According to a recent survey made by some experts, about 37 species disappear from our earth every year. It is obvious that the problem has become a serious one worth our concern. When we explore this problem, some underlying factors emerge. In the very first place, human beings have played a big part. With the fast development of human society, the environment is much destroyed, and animals lose their home. Accordingly, some species become extinct. What’s more, people hunt animals for food and skin. A good case in point is that the Japanese have killed a lot of whales because they like to eat the meat. In addition, human beings are largely responsib