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I have nothing to offer but blood, toil, tears, and, sweat.

解釋：德行不夠優良的人，難以有崇高的信念與理想。才能不夠突出的人，難以有淵博的知識和見解。

These boys are now fertilizing daffodils.

Profit and sustainability must walk hand in hand; one cannot long exist without the other.

城市是集體的藝術品。