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This article  A Clean Well-lighted Place  has profound meaning in itself, and its author is a famous writer. When I first read this story, I only feel angry about this young waiter and pity for the old man. After our teacher analyzing it during the class, I have a better understanding about this story and I want to share my opinions with you. The story reveals a common phenomenon in our society, talking about the relations between the old and the young, wealth and happiness, selfishness and kindness, indifference and sympathy. Characteristics: The old man is a despaired man but still keep his dignity, and eager to gain warmth and companion from other people. He is a typical image of hero in Hemingway's novels, such as the hero of the Old man and sea, Santiago. All of them have great courage to confront with harsh life and uncontrollable predestination. From the younger waiter’s words, we know that the old man had committed to suicide, which shows he loses his hope. He...

Since the birth of the progressive film, people seem to have seen the life-saving straw. Most of us just remember that it could help us look far and near easily, but completely ignore the taboos of the progressive lenses and the applicable crowd. Today, let's take a look at the target users and taboos of it. 👇👇 Three Types of Target Users: 😄  The people over 45 years old have a long history of wearing glasses and they also have requirements for continuous use of near, medium and far vision. Far-distance light ≤ ± 6.00DS, astigmatism ≤ ± 2.00DC, vertical stagger ≤ ± 2. 00D. The most important point is to have a long history of wearing glasses. Patients who wear glasses for a long time have long been accustomed to the aberrations caused by glasses. Those who don't have a history of wearing glasses have discomfort even wearing flat glasses. For example, with multifocal glasses, they are even more uncomfortable. LYC1947 😄 Adolescents:  Adolescents increas...