Dollar averaging
美元成本平均法
🧩 词语组成解析
dollar
['dɑlɚ]
n. 美元;一元纸[硬]币;金钱;财富;
[计] 求平均值
🗣️ 情景例句
Life has its ups and downs, but it certainly has its rewards.
人生有沉也有浮，但是无论怎样都确有其价值。
When is he expected to be back?
他什么时候回来？
What is it about?
这是关于什么的？