Group 1 - The article emphasizes the importance of three core abilities for professionals: reading comprehension, sales ability, and the ability to interact with leaders [25] - Reading comprehension is defined as the speed and depth of learning new knowledge and skills, which enhances problem-solving efficiency [3][6] - Sales ability is described as a broad concept that applies to all professionals, as everyone is constantly "selling" themselves or their ideas in various contexts [15][16] Group 2 - The article highlights that effective sales rely on empathy and understanding the needs of others, rather than merely promoting one's own strengths [17][21] - The ability to interact with leaders is crucial for career advancement, as it involves mutual benefit and understanding the leader's needs and challenges [23][24] - The author suggests that observing and analyzing leaders' personalities and working styles can help employees navigate workplace dynamics effectively [24]