Validness
n. 正确；有效
🗣️ 情景例句
5, 6, 7, go right, 1, 2, back, 5 6 7
向右 1 2 后退
Please give me a hand.
请帮我个忙。
We cannot proceed any further without receiving your thoughts with respect to the manner of payment.
我们如果不了解你们对付款方式的意见，便不能进一步检讨。