求翻译：至于打理方面，就的确需要使用者多费点心思了，不能长时间被太阳直晒，不能水洗，需要定期护理等都是这种材质麻烦的地方。同时，汤雷还教了一个延长真丝窗帘使用寿命的好方法：加个遮光衬。这个价格并不高的遮光衬不但能令真丝免被暴晒，避免真丝老化，还能令其增加垂感为视觉效果加分。是什么意思？

Take care, you do need to use more points, not direct sun by Sun for a long time, not washed, require regular care is where this material is in trouble. Meanwhile, Tang Lei has also taught a good way to extend the life of silk curtains: Add shading lining. That price is not high shading not only can the silk lining against exposure to avoid aging silk, can also increase the vertical sense it as Visual effects added.