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________ research has been done into this difficult and complicated case, so we believe someday we can solve it.
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There aretoo many ________ of management in this company, which will decrease efficiency and lead to confused management.
The government has already proposed and introduced a package of plan to ________ negative impact of financial crisis.
Nowadays, a wholefood diet free from ________ additives, colors and flavors is increasingly popular among people.
In this ________ meeting, we made a lot of important decisions and made agreements on certain issues.
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