In the process of their careful watching and recording the celestial movements the Chinese provided valuable and interesting information for succeeding generations.

古代中国人在仔细观察、认真记录天体运动的过程里，为后代留下了宝贵而又有趣的资料。

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Many people watching their weight prefer light sushi lunches and dinners, but be careful there are some rolls that will influence your diet.

很多人喜欢在午餐和晚餐吃清淡的寿司，但要注意有些寿司卷会影响你的饮食。

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After a little bit of careful thinking, parents will realize that watching TV after school is a good way for students to relax.

稍微仔细思考一下，父母就会意识到放学后看电视是学生放松的好方法。

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In the meantime, your employer is watching, so be careful what you say.

FORBES: Magazine Article

However, Nathan Emery and Nicola Clayton of Cambridge University have shown that thieving jays are much more careful when it comes to hiding their food when other birds are watching.

ECONOMIST: Ethology

North Koreans seem to be watching each other very closely, and they are quite careful: Some may have had to cry simply because they would have been out of place not to do so and would have been noticed.

WSJ: North Korea Opens Some Border Crossings