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1.The security industry is also keeping a close watch.
keep a close watch密切注视
Keep a close watch on the enemy's movements.
密切注意敌人动向。
2.Agabi said computers have used silicon for decades, but it is not powerful enough to deal with the maths needed to recognize smells.
deal with应付；对待
Overcrowding has taxed the city's ability to deal with waste.
人口过多使得城市的垃圾处理能力达到了极限。
