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burns. ? 他因為輕度燒傷而入院。 Too many times we fet what we have and concerntrate on what we don’t have. ? 太多次我們忘卻了我們擁有的東西,去追求我們沒有的東西。 ? We must concentrate our efforts on improve the environment. ?We must spare no effort to improve the environment. ?We must devote ourselves to improving the environment. ,你應該聽父母的教誨。 ? As a young man, you should take your parents’ words to heart. ?As a young man, you should keep your parents’ words in mind. ?As a young man, you should follow your parents’ advice. ,分數(shù)仍然是考察學生的有效途徑。 ? However ,the score is still a useful means of testing students. decided to return blow for blow. ? 我們決定以牙還牙。