钢琴有两种类型的键，白键和黑键。
Piano has two types of keys, the white keys, and the black keys.
白键代表快乐，黑键代表悲伤。
The white keys represent happiness, while the black keys represent sadness.
生活就像一架钢琴：白键是快乐，黑键是悲伤。
Life is like a piano: white keys are happy moments and black keys are sad moments.
生活就像一架钢琴，白键代表幸福，黑键表示悲伤。
Life is like a piano. The white keys represent happiness and the black shows sadness.
白键是幸福。
在键盘上，其为相邻音间，白键或黑键间，上行或下行间的音程。
On the keyboard it the interval between adjacent notes, white or black, ascending or descending.
生活就像一架钢琴：白键是快乐，黑键是悲伤。但是，要记住只有黑白键的合奏才能弹出美妙的音乐。
Life is like a piano. The white keys are happy days and the black keys are the sad ones. Just remember you need both to make music.
生活就像一架钢琴：白键是快乐，黑键是悲伤。但是，要记住只有黑白键的合奏才能弹出美妙的音乐。
Life is like a piano: white keys are happy moments and black keys are sad moments. But remember both keys are played together to give sweet music.
“从近几年的历史看，麦田怪圈都与自然音阶（钢琴的白键音符）存在者联系，”她说。 “这些自然音阶出现的频率被编入了怪圈的每个分割区域，可以同钢琴演奏出这些音调。
These diatonic scale frequencies are encoded in each segment of the crop circle and can be played on the piano.
选择渐变工具（快捷键“G”），设置一个白-灰-白的渐变，如下图。
Then grab the gradient tool (shorcut ‘G’ on the keyboard) and setup a white to gray to white gradient like the one referenced below.
戴昆补充道，“如果在那个软件界面里给两个键的话，又会让我们感动。一个键按一下就可以把这个图变成黑底白图，再按另外一个键，就变成了白底黑图。”
Dai added, "I would be more moved if two buttons can be added to that interface, one turning a picture into white on black background, the other turning it black on white background."
戴昆补充道，“如果在那个软件界面里给两个键的话，又会让我们感动。一个键按一下就可以把这个图变成黑底白图，再按另外一个键，就变成了白底黑图。”
Dai added, "I would be more moved if two buttons can be added to that interface, one turning a picture into white on black background, the other turning it black on white background."
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