be good at (doing) 善于,擅长 be good for 适于,在……期间有效 be grateful to 感谢,感激 be identified as 被认为是 be independent of 脱离……而独立,与……无关 be indispensable for 对……必不可少的 be interested in 对……感兴趣 be involved in 包括……...