appreciation感激可数吗

　　There's a lack of appreciation for trial and error.

　　缺乏对尝试和错误的欣赏。

　　It would, however, be foolish to reduce art appreciation to a set of scientific laws.

　　然而，将艺术欣赏归结为一套科学规律是愚蠢的行为。

　　This showed that they were awaking to an appreciation of life and its joys once more.

　　这表明他们正再次醒悟，开始欣赏生活及其乐趣。

　　I'm writing to show my sincere appreciation for the book you gave it me before you left China.

　　你在离开中国之前给我送了那本书，谨写此信以表达我衷心的感谢。

　　In this way, people can gain a better understanding and appreciation of peoples all over the world.

　　这样，人们可以更好地了解和欣赏世界各地的人民。