keep
【1】保持
下面是货物包装上的搬运指示用语：
【例】Keep Away From Heat.
切勿受热[勿近锅炉]。
Keep Cool [To Be Kept Cool].
保持凉爽。
Keep Dry.
切勿受潮[保持干燥]。
Keep Flat.
必须平放[平堆平放]。
Keep Upright.
切勿倒置。
【2】keep hold of抓住不放
【例】To keep hold of customers’ attention and interest, we need to improve on packing.
为了吸引顾客的注意力和兴趣，我们需要改进包装。
【3】keep… in mind，keep… before us记住
【例】We will keep in mind your requirement for walnut meat and shall contact you once it is available.
我们记住你方要买核桃仁，一俟有货时便立即与你方联系。
【4】keep in step with，keep pace with适应
【例】Orders for this article are so heavy that our supply can hardly keep pace with the demand.该货的订单太多，因此供货跟不上需要。
【5】keep... on (one’s) file存档
【例】We are keeping your requirements on our file and will gladly revert to the matter when the supplies become available in future.
我们将把你方的需要存档，将来有货可供时，将重议此事。
【6】keep… open保持有效
【例】At your request, we now keep this offer open for a further 10 days.
应你方要求，我们现在将报盘的有效期再延长10天。
【7】keep sb posted [informed, advised]随时告知
①【例】Please keep us posted [informed, advised] of developments at your end.
请随时告知你地的发展情况。
②使用其动名词。
【例】we wish to ask for your assistance in keeping us informed of the market of the above-mentioned products at your end.
我们想请求你们帮助将上列产品在你地市场的情况随时告诉我们。
【8】keep to遵守
【例】We hope that in future dealings you will be able to keep to our terms of payment.
我们希望在今后的交易中贵方能按我方的付款条件行事。
【9】keep up（价格等）不降低
【例】So long as the cost of raw materials keeps up, the prices of consumer goods will keep up, too.
只要原料成本不下降，消费品价格也不会下降。
【10】keep up with赶上，适应
【例】These raincoats are selling so quickly that we have had to enlarge our factory so as to be able to keep up with the demand.
这些雨衣销售很快，我们不得不扩建工厂以便能适应需求的增长。
keeping
一致，协调
【1】in keeping with与……一致，按照
【例】In keeping with our usual terms of payment, we have drawn on you at 60 days’ sight.
我们已按照通常的付款条件，向你方开具60天期的汇票。
【2】out of keeping with与……不一致，与……不协调
【例】Your proposal is out of keeping with the contract.
你方的建议与合同规定不符。
key
答案，关键
①对什么是关键[答案]，要接用to sth。
【例】The key to the settlement of the managerial question lies in the leadership.
解决管理问题的关键在于领导。
②可用作定语。
【例】The company’s key business scope includes the taxi service and related car repairing and motels.
公司的主要业务范围包括出租车及有关的汽车修理和汽车旅馆。