VOA慢速英语:比特币飙升 日本投资者也参与

securities - n. a financial instrument in the form of a document showing that someone owns or has invested in a company or organization

digital currency – n. money that only exists electronically

fraud - n. the crime of using dishonest methods to take something valuable from another person

bother – v. to take the time to do something

check – v. to investigate or examine

bubble – n. a small ball of gas or air within a liquid, or a period when many people invest money in something and cause its value to rise to a level that is much higher than its real value until finally its value drops very suddenly

deduct - v. to remove from the total

asset – n. something of value; property

skeptical – adj. having concerns or questions about something