另外，你要么不定义任何关联，要么在子pojo中定义一个值类型的属性来表示父pojo的ID(另一个方向也是类似的)。
Otherwise you either don't define any association or just define a value-typed property in the child POJO to represent the parent POJO's ID property (similar argument for the other direction).
它想把这个故事从一个糟糕、不可逃脱的困局变成一个方向不定但却朝着所有人都能接受的结局一直前进。
It wants to turn the story of a grim, inescapable quagmire into one of erratic but irreversible progress towards a resolution acceptable to all.
况且，如果他们因为从繁琐细节之中抽身，站在全局的角度看待自己谈论的问题——说不定他们会发现自己一直在错误的方向钻研（悲剧……），这样也算帮助到他们了。
Yet it can also help them if they come up for air some time and see the big picture - and maybe find they were digging in the wrong place...
回过头来看，当时与我同级的一个学生，倒是非常喜欢画清新漫，所以说不定我是走向相反的方向来对抗着这些东西。
Looking back, there was this kid in the same grade that drew really vanilla gag comics, so maybe I went the opposite direction to rebel against that.
但当我回首时，我发现生命的过程就像一股不定的水流，遇到的每一块卵石、每一道罅隙、每一处草根都能改变它的方向。
But the course of my life, when I look back, is as orderless as a trickle of water that is diverted and guided by every pebble and crevice and grass-root it encounters.
带前缀的运动动词不再有定向和不定向之分，但也可表示动作方向，这种方向是由前缀体现的。
Sport verb with prefix don't have the separation between the definite direction and indefinite direction, but can mean to act the direction, this kind of direction to be used by prefix now.
根系粗壮发达，密生根瘤，其根上的不定芽再生能力强，能使根系向水平方向蔓延。
Root system is sturdy develop, give birth to root nodule closely, the errant bud on its root recovery capability is strong, can make root system spreads to horizontal way.
根系粗壮发达，密生根瘤，其根上的不定芽再生能力强，能使根系向水平方向蔓延。
Root system is sturdy develop, give birth to root nodule closely, the errant bud on its root recovery capability is strong, can make root system spreads to horizontal way.
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