平均成本法是一种定期投资固定金额的策略,可降低风险。 Vocabulary in this post invest verb /ɪnˈvɛst/ 投资,投入资金 Examples: "My parents invested in a new computer for my school project. " 我父母为了我的学校项目,投资买了一台新电脑。 regularly adverb /ˈɹɛɡjəli/ /ˈɹɛɡjəlɚli/ 定期地,有规律地. Examples: "My brother regularly takes the bus to school. " 我弟弟经常坐公共汽车去学校。 strategy noun /ˈstɹætədʒi/ 战略,策略,计策。 Examples: "My family's strategy for getting everyone ready for school on time involves each person having a specific task. " 我们家为了让每个人都能按时上学,采取的策略是每个人都有明确的分工。 reduce verb /ɹɪˈdjuːs/ /ɹɪˈduːs/ 减少,降低。 Examples: "to reduce weight, speed, heat, expenses, price, personnel etc." 减少体重、降低速度、降低热度、减少开支、降低价格、裁减人员等等。 risk noun /ɹɪsk/ 风险,危险。 Examples: "Taking a new job carries a risk of not earning as much money initially. " 换一份新工作存在一开始挣钱不多的风险。 buy verb /baɪ/ 买,购买 Examples: "My sister bought a new backpack for school. " 我妹妹买了一个新书包上学用。 prices noun /ˈpɹaɪsɪz/ 价格,价钱 Examples: "The prices of groceries have increased recently. " 最近食品的价格上涨了。 low adjective /ləʊ/ /loʊ/ /laʊ/ 低,少的,弱的 Examples: "My energy levels were low after a long day at work. " 工作了一整天之后,我感觉精力很弱。 dollar noun /dɔlɚ/ /ˈdɒlə/ /ˈdɑlɚ/ 美元,元 Examples: "My sister works at a store and earns ten dollars an hour. " 我妹妹在一家商店工作,每小时赚十美元 (měi xiǎo shí zhuàn shí měi yuán)。 cost noun /ˈkɑst/ /ˈkɒst/ /ˈkɔst/ 费用,价格 Examples: "The average cost of a new house is twice as much as it was 20 years ago." 现在新房的平均价格是20年前的两倍。 average noun /ˈævəɹɪd͡ʒ/ 平均数, 平均值 Examples: "The average age of students in the class is 12 years old. " 班上学生的平均年龄是12岁.