只有通过保护环境，我们才能向子孙后代承诺给他们一个美丽的地球。
Only by protecting the environment can we assure our later generation of a beautiful planet.
只有通过测量我们的努力，这样，我们才能履行我们的承诺，以达到零填埋场和驱动迈向一个更绿的环境政策。
Only by measuring our efforts this way, are we able to fulfill our commitment to aim for zero landfill and drive towards a greener environmental policy.
只有通过履行国际承诺，扩大教育供给，促进社会公平，才能逐步向教育平等迈进。
It is believed that education equality can only be progressively accomplished through fulfilling international commitments, expanding educational input and promoting social equity.
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