speculate

vi. 深思、推測、投機

學術名詞

• 思考：電機工程、電力工程
• 推測：電機工程、電力工程
• 投機：電機工程、電力工程

英文釋義

1. to believe especially on uncertain or tentative grounds
2. talk over conjecturally, or review in an idle or casual way and with an element of doubt or without sufficient reason to reach a conclusion
3. reflect deeply on a subject
4. invest at a risk