2、平时习惯。虽然柚木地板本身硬度高，但是平时还是需要避免重物撞击敲打地板，同时避免高跟鞋和硬底鞋磨损地板，延长柚木地板使用年限。同时，室内保持通风，柚木地板耐湿性能不强，注意防过湿。不能阳光长时间直射，不仅会加快柚木地板老化，还容易变色。
中国论文
In the English skills, writing is almost the most difficult for students, so many of them are afraid of writing. Its true that writing a good position requires higher level skills than listening or speaking, but there still are some effective tips to make it good. Firstly, you should clearly know what you are going to write and the focus on you topic and then make an outline. Secondly, pay attention to the spelling and grammar. They are not very difficult, but make many students confused, especially the grammar. Dont let these little problems affect your writing. Thirdly, use some phrases appropriately and bine long sentences with short sentences to make your position sound better. Finally, ensure the depth of your position. Do not make people feelthat you express nothing although you write a long length. Anyway, practice makes perfect. Only the practice help you do well in writing and make progress.