firm (adj.)
坚固的、稳定的
例句：
You must always build on firm ground.
你必须始终脚踏实地。
for good and all
永久、一劳永逸
例句：
I wish cancer will be wiped out for good and all some day.
我希望有朝一日永远消灭癌症。
What do we have for dinner?
我们晚餐吃什么？
对话：
A: What do we have for dinner?
B: It doesn't make any difference to me. Whatever you say.
A: I feel like having some seafood.
B: All right.
A：我们晚餐吃什么？
B：对我来说无所谓。随便你。
A：我想吃海鲜。
B：好吧。
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英语写作