be the key to中文什么意思
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- This is the key to it all .
- Knowledge is a treasure, but practice is the key to it .
- Shrewd weighing empirical evidence is the key to success in applications to description and policy .
- It was judged by both sides to be the key to the whole battle area and the essential step to the relief of tobruk .
- Translation is the key to bilingual dictionaries