必不可少

Love is an essential part of life, especially on Valentine's Day.

爱情是人生中必不可少的一部分，特别是在情人节这一天。

In China, economic structure is varying.

在知识经济的发展中，投资银行的服务必不可少。

Instead, magic was used to make these necessities of the vegetable kingdom more available, and to protect the plants from destruction, unless they were overpowered by stronger magic or simple bad luck, like the chameleon.

相反，魔法只是用来使植物更好地利用这些必不可少的条件，还可以保护它们消灾免祸。但是如果遇上更强大的魔法或者像那只变色龙一样糟糕的运气，那也一样难逃厄运。

Vegetable oil is indispensable for a healthy diet.

饮食中的植物油是必不可少的。

But vegetation is essential to the people's living in the city.

但是绿色植物对于城市人们的生活是必不可少的。

Vitamin B12 is essential to the growth and development of your baby.

维生素B12是必不可少的成长和发展的宝宝。

We now know that both the waggle and the correct sound pattern are necessary for communication: When either is omitted, recruitment to observer stations doesn't occur.

我们现在已经知道身体的摇摆和正确的声音模式是蜜蜂传递信息必不可少的。两者缺一，就不会有蜜蜂飞往观察者守候的地点了。

To be without some of the things you wan is an indispensable part of happiness.

你想要的一些东西的缺少是你之后获得满足必不可少的部分。

Essential part of a class and gameplay ala paladin's warhorse, or only there for travelling and carrying all the loot?

特别对某些特殊职业来说是必需的，比如圣骑士会需要战马，在Travel和搬运东西时，坐骑也是必不可少的。

Soil is a notable controlled object as carrier of water and nutrients required by plant growth and development, and reasonable treatments of it are closely related with drought resistance.

干旱条件下培育人工植被，采取适当的抗旱措施是必不可少的，其中作为植物生长发育所需水分、营养的载体，土壤是显著的可调控对象，对其合理处置与抗旱有着密切的关系。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。