It will also be necessary to understand what sort of yield farmers might expect and to establish the plant's safety.
了解农民可能期望获得怎样的产量以及确定植物的安全性也将是必要的。
2
Investors rushed for the safety of Treasury bonds, where the ten-year yield dropped back below 2%.
投资者奔向安全的国债，在那里十年的产量降到了2%。
3
As for retirement planning: I really think that people have to think safety; taking risks for higher yield is a bad idea once you're in late or latish middle age.