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
and I'm real exhausted.
我实在是精疲力竭了。
Didn't I tell you he's same size to me?
我没有说过他和我一样大小吗？
This would solve the problem of ventilation, for if a train entered this tunnel, it would draw in fresh air behind it.
因为如果有列火车开进隧道，它就把新鲜空气随之抽进了隧道。