Signalling
[計] 信號傳輸法
? 同義詞
??? 情景例句
Strawberry?
草莓的？
That's a pity.
那真可惜。
Yes, that's a good idea. But I have another difficulty. My written English isn't very good either.
是的，這主意不錯。但我還有另外一個難題。我的書面英語也不好。