Vertical farms would need to be efficient, cheap to construct and safe to operate.

　　垂直農(nóng)場需要高效、廉價的建設和安全的運營。

　　Its standard version, along with the software used to construct it, is open sourced.

　　它的標準版本，以及用于構造它的軟件都是開放源碼的。

　　They also use trees and tree branches to construct their homes in streams and lakes.

　　他們還用樹木和樹枝在溪流和湖泊中建造家園。

　　As trees became scarce and they could no longer construct wooden canoes for fishing, they ate birds.

　　由于樹木變得稀少，他們不能再建造木制的'獨木舟來捕魚，只好捕食鳥類。

　　Must the massive effort to be made in words to construct the city in a speech in order to understand justice in the soul?

　　為了理解靈魂中的正義，必須在言語中付出巨大的努力來建設這座城市嗎?