He has weeded out much of the party 's old guard , shown himself intolerant of corruption and shifted the party away from its instinctive sympathy for the army 's role in politics .
Of course this only works with goals and projects that are good ideas or good for you ; the others will be weeded out by priority and planning processes .
If a man is over thirty and single , there 's something wrong with him . It 's darwinian . They 're being weeded out from propagating the species .
如果一个男人年过30还是单身,那他一定有问题。这是达尔文说的他们从繁殖工作中被淘汰了。
The fact that autism runs in families shows that it is partly genetic in origin , but evolutionary theory suggests genes causing such a debilitating conditions ought to have been weeded out of the population .