Martingale
n. 手法,诀窍
🗣️ 情景例句
Sorry, but he is out at the moment.
抱歉，他现在出去了？
There is a tremendous responsibility involved in raising children.
养育孩子是一桩责任重大的事情。
Is that all? He doesn't say very much,does he?
就这些吗？他没写许多，是吗？