Check removed topics, updated syllabus, and deleted units to focus on key concepts for better preparation in the 2026 exams.

The Canon EOS R6 III is an enthusiast-class camera with a new 32MP full-frame CMOS sensor, aimed at photographers and videographers who need high burst rates and fast readout speeds. The Canon EOS R6 ...

Williams Companies has solid and intact fundamentals to support its growth and expansion amid new market opportunities. Learn ...

Marriott International maintained a solid performance last Q3 2025 with its sustained revenue growth and margin expansion.

之前在给北京一家药企培训时，有伙伴问如何计算不重复的个数。这是一个有代表性的问题，我整理出来以下四种方法，分别是函数法、透视表法、Power Query法和Power Pivot法，看你能不能用得上？ 案例数据 这是公司的部分销售订单表，主要涉及省份 ...