I thought I'd come along. But I'll pay for my own coffee.我想一起來，但我會自己付錢買咖啡的

come along一道走

Come along with us, if you like.

如果你想去就跟我們來吧。

John wants to come along with us to the movie.

約翰想和我們一道去看電影。

pay for付款

I took out an overdraft to pay for my new car.

我用透支來付新汽車的錢。

We will pay for houses by monthly instalments.

我們將按月分期付款買房。

Don't worry about that, I owe you both at least a cup of coffee.別擔心，我欠你倆一人一杯呢

worry about擔心； 煩惱

I don't think you need to worry about this.

我認為你不必為這事擔心。

Don't worry about little things.

別為瑣事煩惱。

at least至少

She may be slow but at least she's reliable.

她遲鈍是遲鈍，但無論如何她很可靠。

He has been there at least twice.

他至少去過那兒兩次。

I had a couple of days off, went fishing.我請了幾天假，釣魚去了

a couple of兩個, 幾個

I saw a couple of men get out.

我看見有幾個人出去了。

He patched up a couple of old tires.

他補了幾條舊車胎。