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    es a little effort
    0:27

    es a little effort

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    more beautiful.
    0:32

    more beautiful.

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    social practice
    0:17

    social practice

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    e beautiful.
    0:25

    e beautiful.

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    on鈥檛 save water
    0:29

    on鈥檛 save water

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    They throw rubbish into rivers
    0:21

    They throw rubbish into rivers

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    lot of listening practice
    0:15

    lot of listening practice

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    How to do our best? First
    0:21

    How to do our best? First

    tle effort
    0:15

    tle effort

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    to recycle
    0:20

    to recycle

    tle effort
    0:15

    tle effort