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| be key to (Good communication is key to our success. Our commitment to high quality standards is key to maintaining our reputation. OALD. China's support is key to the success of the coalition (LDOCE) Alexander Demidov) | |||
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| be pertinent to (чего-либо) | |||
| являться существенным для: 2 phrases, 2 sujets |
| Entreprise | 1 |
| Makarov | 1 |