Non-essential element

non [[nɔn]]

adv. 非, 不

essential [ɪ'sɛnʃl]

adj. 基本的;必要的;本质的;精华的; n. 必需品;基本要素;必不可少的东西;

essent=be存在，本质 + ial ...的 → 必要的，本质的

element ['ɛləmənt]

n. [化]元素;要素;原理;[电]电阻丝;

Good. Do you have any back or knee problems?

好。你的背部和膝关节有什么毛病吗

He always keeps his words.

他总是信守诺言。

Finding a job is not the same as choosing a job. Many young people end up in a job to which they are not suited. Chance may play a more important part than decision. So here are a few steps to help you think about jobs which you might enjoy doing

找一个工作不同于选择一个工作。许多年轻人最终却干了并不适合他们的工作。"机会可以比"决定起着更重要的作用。所以这里有几个步骤，帮助你中学或大学毕业后考虑从事你可能喜欢做的工作。