The system produced enough energy to heat several thousand homes.

　　系統(tǒng)產(chǎn)生的`能量足以給幾千戶人家供暖。

　　Two thousand is a nice round number ─ put that down.

　　兩千是個(gè)不錯(cuò)的整數(shù)——記下吧。

　　Two thousand ─ and that's my bottom line!

　　兩千塊——不能再低了！

　　It cost somewhere around two thousand dollars.

　　買下來要花大約兩千元。

　　Well, in round figures we've spent twenty thousand so far.

　　嗯，說個(gè)約數(shù)吧，我們至今花了有兩萬(wàn)了。