But many buttons have a useful, practical purpose in everyday life, like calling a lift - so these buttons have to be easy to use without difficulty.The adjective for this is 'convenient'.These everyday buttons have to be convenient.

但是些按钮在日常生活中很有，很实，就像升降电梯，所以些按钮定要使方便无。个的形容词是" 便利的" 。些日常生活中的按钮必须要便利。

Whenever I'm in a rush, I always use the Hard Candy Sheer Envy Hydrating Primer Miss because it's just so easy you literally spray it on it. It's done.

每次我赶时间的时候，我就会款 Hard Candy Sheer Envy 妆前乳，因为它使方便，只要喷几下就搞定。

Cash is easy to use because you can use it anywhere.

现金使方便，因为你在任何地方都可以使它。

On the other hand, convenient means something that is easy to use, easily accessible, or something that is designed to save time and effort.

方面，convenient 意味着某物使方便，容易获取，或者设计上是为了节省时间和精力。

Taken early clinical trials show the pill reduces the risk of hospitalization or death by half, and it's easy to use.

早期的临床试验表明，种药片将住院或死亡的风险降低了半，而且使方便。

As you likely know, concrete is readily available, handy, and fairly inexpensive.

正如你所知，混凝土易于获取，使方便，而且价格相对便宜。

Makes day-to-day money stuff simple, fast to set up, easy to use.

让日常的金钱事务变得简单，设置快速，使方便。

It's easy to use and it leaves my skin feeling great.

它使方便，让我的皮肤感觉很好。

Do you often consult these manuals in flight? Are they convenient to use?

2. 您在飞行中经常查阅些手册吗？它们使方便吗？

A scientific test has shown that the new vaccine is effective, safe and easy to use.

科学试验表明，新疫苗有效、安全、使方便。

It's an all-in-one product that saves me time, it's easy to use, and it leaves my skin feeling great.

是款集多功能于体的产品， 能为我节省时间，使方便， 并且让我的皮肤感觉很好。