全文 The whole conversation, with pinyin and English
爸爸：我们吃完了，大家把东西收好再走。
wǒ men chī wán le dà jiā bǎ dōng xi shōu hǎo zài zǒu
Dad: We've finished eating. Everyone tidy up your things before we go.
心怡：爸爸，我有纸巾和饮料包，垃圾桶在哪里？
bà ba wǒ yǒu zhǐ jīn hé yǐn liào bāo lā jī tǒng zài nǎ lǐ
Xinyi: Dad, I have a tissue and a drink packet. Where's the rubbish bin?
爸爸：就在那根柱子旁边。汽水罐要放进蓝色的回收箱。
jiù zài nà gēn zhù zi páng biān qì shuǐ guàn yào fàng jìn lán sè de huí shōu xiāng
Dad: Right next to that pillar. Drink cans go in the blue recycling bin.
志豪：姐姐，托盘放在桌子上就好了，我们快走吧！
jiě jie tuō pán fàng zài zhuō zi shang jiù hǎo le wǒ men kuài zǒu ba
Zhihao, her little brother: Sis, just leave the tray on the table. Let's go!
心怡：不行哦，弟弟。我们要把托盘还回去，下一个人才有干净的桌子。
bù xíng o dì di wǒ men yào bǎ tuō pán huán huí qu xià yí gè rén cái yǒu gān jìng de zhuō zi
Xinyi: No, little brother. We need to return the tray, so the next people get a clean table.
志豪：好吧，那我把汽水罐丢进回收箱。
hǎo ba nà wǒ bǎ qì shuǐ guàn diū jìn huí shōu xiāng
Zhihao, her little brother: OK then, I'll throw the drink can into the recycling bin.
爸爸：很好。还托盘的地方在那边，你们一起拿过去。
hěn hǎo huán tuō pán de dì fang zài nà biān nǐ men yì qǐ ná guò qu
Dad: Good. The tray return point is over there. Take it over together.
心怡：爸爸，地上有一张纸，是别人乱丢的。
bà ba dì shang yǒu yì zhāng zhǐ shì bié rén luàn diū de
Xinyi: Dad, there's a piece of paper on the floor. Someone dropped it.
爸爸：乱丢垃圾是不对的。你可以把它捡起来，丢进垃圾桶。
luàn diū lā jī shì bú duì de nǐ kě yǐ bǎ tā jiǎn qǐ lai diū jìn lā jī tǒng
Dad: Littering is wrong. You can pick it up and throw it in the bin.
心怡：丢好了！现在这里干干净净的。
diū hǎo le xiàn zài zhè lǐ gān gān jìng jìng de
Xinyi: Done! Now it's nice and clean here.