This is it的用法和樣例：
例句
- If anything definite can be said,this is it.
若能稍有把握地說出來，其實是這樣。 - It is such a fine day for an outing.
今天是這樣一個適合於郊遊的好日子。 - You are right, but the price is rising quickly.
你說得對，但物價上漲得很快。 - "A science fiction cannot not be regarded as a mere entertainment, but in fact it tells the reader much more."
"科幻小說不能簡單地看成是供消遣的，而實際上它給讀者展示更深刻的內容。" - He said it in a spirit of enmity.
他是懷著敵意說這話的。 - It is idle to deny that the statement is true.
不承認這話是真是愚蠢的。
